Biodetritus
生物碎屑
🗣️ 情景例句
In what section can I find mouthwash?
我在哪个购物区能找到漱口水呢？
Look before you leap; see before you go.
三思而行。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。