Aethiops martialis
[医] 黑色氧化铁, 磁性氧化铁
🧩 词语组成解析
[医] 黑色矿物制剂
🗣️ 情景例句
This dog is well trained.
这只狗受过很好的训练。
The old lady takes delight in visits from her grandchildren.
那个老妇人以孙辈门看她来为乐。
That's easier said than done!
说来容易做起来难哪！