Ecotoxicology
生态毒理学
🗣️ 情景例句
Hey, do you work out?
嘿，你锻炼吗？
Oh, it's a shame that you have to leave.
哦，真遗憾，你非走不可呀。
He'll return to London the week after next.
再下个星期他将返回伦敦。