Isopentylidyne
异次戊基
🗣️ 情景例句
I think she has a stomachache.
我想她肚子痛。
I could not catch your question. Could you repeat it, please?
我没听清楚你们的问题，你能重复一次吗？
I didn't have a penny the last time I saw you.
上次我见到你时，我连一个铜板也没有。