Biochron
生物年代, 较短时期的化石, 生物时
🗣️ 情景例句
OK, let me get my wallet and we'll take off.
好，让我拿一下钱包，我们就走。
To fall
坠下，掉下
the total absence of fishing boats around the oil rigs.
钻井平台周围根本没有捕鱼船只。