Glutaronitrile
戊二腈
??? 情景例句
How was your trip?
你這一趟旅途還好吧？
I 'm going to dial the number.
我要撥這個號碼。
I've been here for about two years. I've been here since 1993.
我到這兒大約有兩年時間了。我自1993年就到這兒學習。