Biostratigraphy
生物地层学
🗣️ 情景例句
Why don't you call back later this afternoon?
你何不今天下午再来电话呢？
All right, I will be waiting for you .
好的，我会等候你的。
'I'm going to Woodford Green,' I said to the conductor as I got on the bus, 'but I don't know where it is.'
“我要去伍德福德草地，”我一上车就对售票员说，“但我不知道它在那儿。”