Propenyl
丙烯基
🗣️ 情景例句
Is there anyone present who can show
在座可有人能提出
He that climbs high falls heavily.
爬得高，跌得重。
Yes, my brother Bob is coming with me to the airport to see me off.
有，我兄弟鲍勃将和我一起到机场，送我上飞机。