Sipunculus
星虫属
🗣️ 情景例句
Dinner's on me.
晚饭我请客。
I'm afraid it won't be cold enough for a snowfall.
我恐怕天不会冷的下雪。
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮，但这类东西早已腐烂殆尽。