Pyrenyl
芘基
🗣️ 情景例句
If you cannot make a counter offer, then I'm afraid we can't make a deal.
如果你不还价的话，恐怕我们无法交易。
Pat's results are in agreement with the textbook experiment.
柏德获得的实验结果和课本一致。
Were you afraid?
你害怕吗？