Secalonic acid
[化] 黑麦酮酸
🧩 词语组成解析
🗣️ 情景例句
How you doing?
你怎么样了？
A handful of common sense is worth a bushel of learning.
少量的常识，当得大量的学问。
After he had put it on the floor, he promptly went to sleep again.
他把床垫往地板上一放，很快又睡着了。