Pd d
教育学博士
🧩 词语组成解析
[医] 钯(46号元素)
🗣️ 情景例句
on the school board,
在联合校董会中
Necessity (or Need) has (or knows) no law.
需要面前无法律。
and an American-made dialysis machine needs the EU's okay before is hits the market in Europe.
而美国制造的透析仪也要得到欧盟的首肯才能进入欧洲市场。