- 重点词汇
- ownadj.自己的;自己做的;
- certainadj.肯定的;无疑的;轻微的;某个,某些,某位;
- bev. 是;有,存在;做,成为;发生;
- varietiesn.种种( variety的名词复数 );品种;变化;(基于遗传差异的)变种;
- withprep. 具有;和;用;有;以;跟;同;带有;使用;和…在一起;借;与…对立;关于;包括;因为;由于;与…方向一致;由…持有;为…工作;虽然;作为…的成员,为…所雇用;具有,有,带有;在…身上,在…身边;由于,因;在…那里,在…看来
- cannot=can not;未可;不能;不可;
- theirdet.他们的;她们的;它们的;(在提及性别不详的人时,用以代替his或her);
- pollenn.花粉;[虫]粉面;
- 相关例句
Many kinds of plants, trades trees and grasses need bees to pollinate them.
多种作物 、 树木和草类需要蜜蜂为它们授粉.
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Bees pollinate the flowers so the fruits or vegetables blossom each season.
蜜蜂为花朵授粉让蔬菜瓜果每季开花结果.
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Farmers rent the bees from bee-keepers pollinate almond and cherry trees every year.
农民每年都从养蜂人那里租来蜜蜂为杏树和樱桃树授粉.
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除了将花蜜转化为蜂蜜, 这些辛勤工作的小虫子为农作物授粉 - 作为报酬给农民.
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However, a number of features that are characteristic of wind-pollinated plants reduce pollen waste.
然而, 一系列为风授粉植物所独有的特征可减少花粉浪费.
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However, pollen insect-pollinated ( entomophilous ) species is also often transported by wind.
然而, 虫媒传粉 ( 虫媒植物 ) 种的花粉也常常由风来输送.
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Use of controlled pollination is generally confined to various types of research.
控制授粉的应用,一般只限于干不同的研究工作.
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