Heptacontane
(正)七十(碳)烷
🗣️ 情景例句
Will I have to wait long?
要很久吗？
At bedtime, I take off my clothes and put on my pajamas.
在上床时间，我脱掉衣服并且穿上我的睡衣。
You work for the Overseas Engineering Company, don't you?
你在海外工程公司上班，是吗？