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During the Vietnam war, thousands of hectares of forest were destroyed with chemical defoliant.
越战期间,数千公顷的森林被化学落叶剂摧毁了。
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争论的核心针对有毒落叶剂的问题。悬铃木集中落叶的化学调控研究及落叶剂的配制筛选
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Defoliant: Chemical dust or spray applied to plants to cause their leaves to drop off prematurely.
落叶剂: 落叶剂是一种化学粉剂或喷洒剂,施于植物以使树叶提早掉落.
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- 相关词组
- chemical experiment化学实验;
- chemical fertiliser化学施肥
- chemical engineers[医]化学工程师;
- chemical engineeringn.化学工程;化工;
- chemical resistance化学阻力,耐化学性;
- induced chemical reaction感应化学反应
- incomplete chemical combination不完全化合
- chemical compound化合物;
- standard chemical potential标准态化学位
- chemical change化学变化;
- Chemical Analyst化学分析员;化学分析测试员
- chemical bondn.化学键;
- chemical fibern.化学纤维;
- chemical fibre化学纤维,化纤;
- chemical analysisn.化学分析
- chemical element化学元素;
- chemical warfaren.化学战;
- chemical composition化学成分[组成];
- second chemical equilibrium二次化学平衡
- starch-liquifying chemical淀粉化学液
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- permission denied 没有权限;拒绝访问;权限被拒绝;
- eventually adv.最后,终于;
- bread n.面包;食物;营养,营养物;生计;vt.在…上撒面包屑;
- sore adj.疼痛的;使人伤心的;恼火的,发怒的;n.(肌肤的)痛处,伤处;
- picture n.照片,画像;图画,图片;影片;情况;描述;印象;vt.构想,想象;用图片显示;描述,描写;
- Every dog has his day 人皆有得意时,风水轮流转;凡人皆有得意日;人人皆有得意时;人皆有出头日;时来运转
- puppy love n.青少年的初恋;少年不成熟的恋爱;少男少女短暂的爱情,早年初恋;早恋;
- examine v.检查;审查;(仔细地)检验;调查;考察;考查;测验(某人);(尤指在法庭上)审问,查问;考核;法庭询问;
- dry adj.干的干燥的,干旱的;干旱的,口渴的;干咳的;无趣味的,枯燥的;vt.从…去掉水分,使…变干;脱水保存(如肉或其它食物);
- SketchUp 草图建筑大师;草图大师;建筑草图大师;可视化设计
- intelligence n.聪颖;智力;(尤指关于敌对国家的)情报;智慧;情报人员;才智
- pohce POHCE是一个轻奢女包品牌