gardens noxious plants 园林有害植物
The results showed that grazing restrained the growth of annual gramineae weeds and perennial gramineae grass, but accelerated the growth of white clover and noxious plants.
结果表明，放牧能明显抑制一年生禾本科杂草及播种多年生禾本科牧草的生长，但对白三叶和草地有害植物的生长都有促进作用。
The noxious hot - weighty gas subsiding to ground will be harm to human and plants.
有毒热重气体沉降到地面会对人和动植物造成危害。
Native plants are also better for the environment than plants from other regions. Plants transported from other regions may become a noxious weed in desert climates and choke out native plants.
而且土生土长的植物比外来物种更适合在花园中栽培，外来的物种很可能成为本地物种的天敌或竞争者。
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