Schoelkopf's acid
[机] 施尔科夫酸
🧩 词语组成解析
🗣️ 情景例句
It is pleasant to jog in the early morning.
清晨慢跑很舒畅。
My friend phoned me at 10 a.m. Yesterday.
我的朋友昨天上午10点打电话给我。
Everything has its beginning.
凡事都有开端。