经过反复施用除草剂，杂草得以彻底根除。With repeated applications of weedkiller, the weeds were overcome.这种除草剂在潮湿的土壤中分解.This herbicide degrades in moist soil.杂草对某些除草剂的抗药性已显现出来.Resistance of weeds to certain herbicides is beginning toshow up...
英国人把“dividedhighway”(分道公路)叫做“dualcarriageway”.In Britain they call a divided highway a dual carriageway.东向航道分道已被封闭.请使用沿岸通航带.East bound traffic lane has been discontinued. Please use inshore route.分道线的功能之一是减少水的振荡.A functi...