Polyvalent allergy
[医] 多价变应性
🧩 词语组成解析
a. 多价的\\n[医] 多价的
allergy
['ælədʒi]
n. 过敏性反应;反感，厌恶;
🗣️ 情景例句
Where is your family from?
祖籍在哪里？
I wrote to him last Friday.
我上个星期五写信给他。
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。