The eradication of an established infestation is not easy.根除昆虫蔓延是不容易的.In the past century, eradication efforts failed against hookworm , yellow fever and malaria.在过去的几个世纪, 对付钩虫,黄热病, 和疟疾的效果失败.This is often required for in...
The eradication of an established infestation is not easy.根除昆虫蔓延是不容易的.This is often required for intelligent control and eradication.这经常需要灵巧的控制与消除.We must take this good opportunity to fight an excellent eradication batt...
Bulletproof cars sheathed in armour.防弹车护有装甲.The policeman survived because of his bulletproof vest.警察因穿有防弹背心而幸免于难.Before long, they may be used in applications as diverse as surgical implants and bulletproof vests.不要多久, ...