Copper amalgam
[医] 铜汞合金
🧩 词语组成解析
copper
['kɑpɚ]
n. 铜;铜币;紫铜色;警察;
adj. 铜制的;
vt. 镀铜;
amalgam
[ə'mælgəm]
n. 汞合金;混合物;
🗣️ 情景例句
for the one seat on the Riverdale School Board,
争夺Riverdale联合校董会一个席次
Thank you.
谢谢你了。
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。