Ectotoxic
[醫(yī)] 外毒素的
??? 情景例句
I think he'll sleep through the night now.
我想他現(xiàn)在會睡到天亮。
I have some difficulty in expressing myself.
我表達(dá)起來有點困難。
It is almost always due to some very special circumstances that traces of land animals survive,
幾乎總是由于某些特殊的條件，陸地動物的遺體才被存下來，