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- There is less danger from insect and disease contamination. 病虫侵染的危险较
- Isolate any new plants for a month or so, and check them frequently for signs of insects and disease. 任何新植物都要隔离一个月左右,经常查看一下有无病虫害迹象。
- Experts say cabbage does not need full sun and grows easily if you water it regularly and protect against insects and disease. 专家说卷心菜不需要充足的阳光，如果按时浇水，防止病虫害，它就能很容易成长。
- Native trees are low maintenance; they have developed natural defenses against insects and disease over the centuries, and they rarely need pruning or feeding. 本地树种只需要较低的维护水平，他们已经具有了抵御自然病虫害的能力，而且很少需要修剪好施肥。
- Pests and Diseases: Currants are subject to a variety of insect and disease pests. 病虫害:醋栗受到各种各样的昆虫和疾病的害虫.
- She stamped on the insect and killed it. 她踩死了一只虫子。
- Molluscs, insects and worms are all invertebrates. 软体动物、 昆虫、 蠕虫都是无脊椎动物。
- Spraying with insecticides and fungicides may be necessary to control any insects and diseases. 也许有必要喷洒杀虫剂和杀菌剂以防止病虫害。
- The egg case of certain insects and mollusks. 卵囊一些昆虫或软体动物的卵囊
- Hunger and disease had weakened his constitution. 他饥饿与疾病交加，体质已削弱。
- Let us unite to fight poverty and disease. 让我们齐心协力来克服贫困和疾病。
- Crop rotation:The successive planting of different crops on the same land to improve soil fertility and help control insects and diseases. 轮作:在同一块土地上连续种植不同的作物以提高土壤肥力并帮助控制昆虫的生长和疾病的蔓延.
- Slums are hotbeds of crime and disease. 贫民窟是滋生犯罪和疾病的温床。
- We should unite in fighting/unite to fight poverty and disease. 我们应该团结起来为消除贫穷和疾病而斗争。
- One critic is quoted as saying: “If man were to follow the teachings of Miss Carson, we would return to the Dark Ages, and the insects and diseases and vermin would once again inherit the earth. 书中引用了一位评论家的话：“如果人们都遵从卡森小姐的教诲，我们将会回到黑暗时代，并且昆虫、疾病和寄生虫将会再次接管这个世界。”
- DIMBOA, wheat seedlings, secondary metabolite, root exudates, allelopathy, chemical induction, biological induction, bioassay, resistance to insects and diseases, herbicidal activity, weed. 01丁布;小麦幼苗;次生代谢产物;根分泌物;异株克生;化学诱导;生物诱导;生物测定;抗病虫性;抑草活性;杂草
- Bats fly at night and feed on insects and fruit. 蝙蝠在夜间飞行，以昆虫和水果为食物。
- The government has pledged itself to wage a war against poverty and disease. 政府发誓要进行一场消灭贫穷和疾病的斗争。
- The resisting investigation showing, the varietirs of V2 V4, V6, V7, V9 V10 wether the degree of lodge or anti- insect and diseases were better than other species, but along with the sowing time delay, the anti- lodge ability descent. 抗性调查显示,辽饲杂2号、辽饲杂4号、龙饲杂1号、吉甜2号、苏马克、绿能2号无论是在倒伏程度还是抗虫性以及病害方面较其它品种表现都比较好,但是随着种植时间的延迟,抗倒伏能力下降。
- We like insects and are fascinated by them. 我们爱昆虫,欲罢之则不能。
