Valsalva's sinus
[医] 瓦耳萨耳瓦氏窦, 主动脉窦
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
It's easy to pick something for my colleagues, but it's difficult for my boss.
给同事们的应该不难买，但是给老板的就难罗。
I guarantee.
我保证。
It was necessary first to arrive at that degree of sophistication where we no longer set our own belief against ourneighbour's superstition.
不用自己的信仰去反对我们邻居的迷信。