Aethiops mineralis
[医] 黑色硫化汞
🧩 词语组成解析
[医] 黑色矿物制剂
🗣️ 情景例句
I'm out of a job at the moment.
现在我失业了。
Do one's level best.
尽力而为。
A huge iceberg was suddenly spotted by a lookout.
突然，了望员发现一座冰山。