Sterides
[化] 甾类化合物
🗣️ 情景例句
what do you think this big surprise is?
你认为这一件大惊喜会是什么？
It is not work that kills, but worry.
劳动不伤人，忧虑才伤人。
At the age of eight, he joined a group of child dancers.
8岁时参加了儿童舞蹈团。