Calcium is necessary for healthy teeth. Fluoride in toothpaste helps us to prevent tooth decay.

  • 钙质是健康牙齿的必须品; 而在牙膏中的氟化物才是帮助我们预防蛀牙.
  • 来源:互联网摘选更新时间:2026-07-13 21:27:04

  • 重点词汇
  • isvt.& vi. 是(be的三单形式);
  • necessary for对…是必要的;
  • preventv.阻碍;预防;
  • teethn.牙( tooth的名词复数 );齿;齿状部份;致力于( 有难度的事);tooth的复数形式;(组织、法律等)强大有效;不顾危险(或反对等);
  • helpsn.助手( help的名词复数 );补救办法;有用;
  • inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
  • calciumn.钙;
  • toothpasten.牙膏;
  • 相关例句
1、

Anti-moth is a major characteristic of this product.

防蛀是本洗涤剂的一大特点.

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2、

Brushing your teeth is a good provision to prevent rotten teeth.

刷牙是预防蛀牙的好方法.

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3、

For long time storage, anti-moth pill in package is recommended.

如长期不用需要包装收藏, 务必加入章脑丸防蛀.

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4、

But high unemployment, environmental degradation due to oil and gas exploitation, and a lack of basic resources such as fresh water and electricity have angered some of the region's youth and d them to take up arms.

但是,高失业率,由石油和天然气开采导致的环境恶化,淡水和电力等基础资源的缺少使该地区的年轻人揭竿而起,拿起武器反抗。

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5、

The barons were angry about the king exploiting their loyalty and taking an absolute approach to power, so they rebelled, took over London and forced the king to negotiate.

男爵们心生怨气,认为国王利用他们的忠诚,专制独裁,于是揭竿而起,占领了伦敦,强迫约翰王进行谈判。

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6、

With the addition of frequent natural disasters, the social contradictions became very sharp, so many farmers rose up, and finally sank into the flood of farmers uprising.

加上,自然灾害频发,社会矛盾尖锐。许多农民揭竿而起,最后汇成农民大起义之洪流。

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7、

from our earliest days, when a tiny band of revolutionaries stood up to an Empire, to our 911 Generation, which continues to serve and sacrifice today.

从早先最小一部分革命家揭竿而起反对帝国开始直到911这代人,都是不断为了国家以致于牺牲生命。

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8、

When the peak period of1985's trendy art, local art groups, one after another rise in rebellion, overturn the already rigid structure of traditional fine art.

时值85新潮美术的巅峰时期,各地的艺术团伙纷纷揭竿而起,反叛早已僵化了的传统美协体制。

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9、

Mr Bush warmly approves of Mr Abe's fence-mending with neighbours who had been antagonised by Mr Koizumi's provocative visits to Yasukuni, Tokyo's war shrine.

看到日本的邻居纷纷因为小泉参拜揭竿而起,布什随即对安相的补牢之举大表欢迎。

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10、

This culminated in Mr Gates's call to arms four years ago and has helped to lower the number of malaria deaths by20% over the past decade.

比尔·盖茨四年前的揭竿而起则将这一运动推向巅峰&过去10年中因疟疾致死的人数因此降低了20%。

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11、

Rejoice in its unpredictability, in the deluge of goals, in the bravado of Burnley and Birmingham City, in the aristocracy being challenged by the bourgeoisie.

欣喜不可预知,它存在于如潮的进球中,存在于伯恩利和伯明翰的张牙舞爪,也存在于中产阶级的揭竿而起。

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12、

The arsenal is poorly defended. Breaking in is a pushover. But his raid is based on local slaves rising up and joining the fight.

军火库警戒薄弱,突破防线轻而易举,但他突袭时的预想是希望本地的奴隶纷纷拿起武器揭竿而起。

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13、

Civil war ensued, and it wasn't until 202 B.C. that the Han Dynasty would be established and life truly went on.

随后人民奋起反抗,陈胜吴广揭竿而起。直到公元前202年,汉朝建立,人民才能安宁地生活。

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14、

Based upon a religious sect, these rebels were to rise up in several places in the Huaihe River region and elsewhere.

以宗教派别为基础,叛乱的人在淮河流域和其他一些地区分别揭竿而起。

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15、

His tyranny continued for three years then the capital residents could no longer tolerate it and rose in armed revolt.

他的暴政持续了三年,直到人民再也无法忍受,于是他们揭竿而起。

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16、

Tom stirred up a fight between Bob and Bill. He incited them to rise up against their generals.

汤姆挑动鲍勃与比尔打了一架。他挑动他们揭竿而起反抗他们的将军。

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17、

Cassandras who predicted this army would be quick to mutiny overlooked the resilience and political savvy of its soldiers.

预测这支大军将迅速揭竿而起的预言家们,忽视了其士兵的适应能力和政治头脑。

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18、

But the gun manufacturers and the NRA would be up in arms if you tried something like that.

但是,如果你们试图做那样的事情,枪支生产者和全国枪支协会将会揭竿而起。

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19、

Eventually the citizens revolt and overthrow tyrants.

最终,民众会揭竿而起,推翻暴君。

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20、

I hope for an Animal Revolution one day!

我期待着有一天动物们揭竿而起,发动革命!

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