Hexadeeene
十六碳烯
🗣️ 情景例句
When would you like to return?
你打算什么时候回来？
I seldom write a letter.
我很少写信。
'I don't know,' I answered, 'Tommy's been to the toilet three times this morning, but I haven't had any change yet!'
“我不知道”，我回答说，“今天上午汤米去了3次厕所了，但我还没看到硬币！”