Hibrom
二溴磷
🗣️ 情景例句
It's his first venture into business.
他初涉商界。
At ease.
休息。
One authority on spiders made a census of the spiders in grass field in the south of England,
一位研究蜘蛛的权威对英国南部一块草坪上的蜘蛛作了一次调查。