Saprobic
污水生物的
🗣️ 情景例句
Good morning, Susan.
早安， Susan。
With time and patience the leaf of the mulberry becomes satin.
只要功夫深，铁杵磨成针。
Rescue workers are therefore drilling a hole on the north side of the mine.
因此，营救人员在矿井的北侧钻了一个洞。