C-s
[医]一种氧化铁制剂，静脉注射用于严重感染
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
He must needs swim that is held up by the chin.
身不由己，只得从命。
The actual figure was made of copper supported by a metal framework which had been especially constructed by Eiffel.
这座雕像的主体是用铜制成的，由艾菲尔特制的金属框架支撑着。