Experiments on chemical control of weeds in sunlight greenhouse, big plastic shed, wasteslope land and basic farmland were carried out.
在日光温室、塑料大棚、土坡荒地和基本农田条件下，应用化学除草剂进行防治试验。
2
Nor did the Witch waste any time gazing up at them; they saw her set off northward down the slope of the hill.
女巫也不愿浪费时间目送他们，只见她朝北边的山坡下走去了。
3
The waste water produced from the factory facility and the rain water collected naturally using the slope of the land is recycled and re-used in irrigating the surrounding landscape.