N-nonaldehyde
[化] 正壬醛
🧩 词语组成解析
[化] 壬醛
🗣️ 情景例句
I've invited you here for the weekend to help celebrate.
我邀请你们到这儿来渡周末， 一起庆祝。
After dinner sit a while; after supper walk a mile.
午餐之后坐片刻，晚饭之后走一里。
And when do you take your next exams?
还有，你什么时候参加下次考试？