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- The potato is vulnerable to several pests. 马铃薯易受几种害虫的侵害。
- After 24 h tested, the LC 50 values of SV 1 with mixtures fenvalerate and DDVP were 1 7, 1 7, 2 0 and 1 3 times higher than that of the mixture of fenvalerate and DDVP to several pests, respectively. 对粘虫处理24h的触杀毒力LC50值为24.;81mg/kg，增效比值为1
- The highly specific activity of Bt insecticides might limit their use on crops where problems with several pests occur, including non-susceptible insects (aphids, grasshoppers, etc.). 专化性强，当几种害虫同时发生时对不感染性害虫如蚜虫和蝗虫不能兼治。使用受到限制。
- They use ultraviolet lamp to kill pests. 他们使用紫外线灯杀死害虫。
- Stores of grain are frequently attacked by pests. 储存的谷物经常受到害虫的破坏。
- The play was taken off because of severe criticism. 由于遭到严厉批评，该剧停演了。
- A severe snowstorm blocked up railroads. 一场暴风雪使铁路中断。
- The spread of pests damaged countless fruit trees. 虫害的蔓延损害了无数果树。
- The pine trees defy severe cold. 松树不畏严寒。
- In those days they had to fight the pests barehanded. 那时候他们得赤手空拳和虫害作斗争。
- I had a severe headache that evening. 那天晚上我头特别疼。
- The premier came under severe criticism. 这位总理遭到严厉的抨击。
- The judge meted out severe penalties. 法官对犯人予以严惩。
- The severe frost kill off most of the insect pest. 严霜杀死了大多数害虫。
- She received severe head injuries in the accident. 她在事故中头部受了重伤。
- He's suffering from severe mental disorder. 他患有严重的精神病。
- His costly mistake resulted in severe loss. 他的严重的错误导致了重大的损失。
- The ecological niches of several pests of cruciferous vegetables 几种十字花科蔬菜害虫生态位的研究
- An obtuse, boring, or bothersome person; a pest. 讨厌的人愚钝的、无聊的或讨厌的人; 害人精
- Nothing can warrant such severe punishment. 这样严厉的惩罚毫无根据。
