Prevel's sign
[医] 普雷韦耳氏征(病人体位改变时的一种心脏体征)
🧩 词语组成解析
n. 符号;手势;迹象;指示牌;
vt.& vi. 签名;打手势;
sign(mark)→记号;征兆;签字;做手势;表示
🗣️ 情景例句
The whole family decided to spend their holiday in Hawaii.
全家决定到夏威夷度假。
We can't draw well.
我们不能画那么多。
In this way self-confidence grows, first from mastering a subject, then from being able to take about it.
这样,你自信心不断增强,先是因为掌握一门学问,接下来是因为能够就此发表见解。
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