chemical spray
英
美
- 化学喷雾
双语例句
- A chemical sprayed or dusted on plants to cause the leaves to fall off.
落叶剂一种化学药剂，喷洒在植物上可使叶脱落 - But even the mosquito has been subdued by attention to drainage and by chemical sprays.
但甚至蚊子也由于我们注意排水和化学喷雾而已被抑制住了。
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