Neoheptane
新七烯
??? 情景例句
Vanilla?
香草的？
How many pieces are you going to buy?
你要買幾塊？
I've got a problem and as I don't know what to do I thought I'd write to you and ask for your advice.
我有一個問題，因為我不知道該怎么辦。我想我最好寫信給你，征求你的意見。