Stearamine
[化] 十八胺
🗣️ 情景例句
Where do you usually spend your weekends?
你通常在哪度过你的周末？
How long will it take you to have it made?
你要多少天才能把它做好？
a flight attendant told us to keep calm and to get off the plane quietly as soon as it had touched down.
一位空中乘务员告诉我们要保持镇静，待飞机一着陆，就马上不声不响地离开飞机。