Heister's valves
[医] 海斯特氏瓣(胆囊颈螺旋瓣)
🧩 词语组成解析
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
I agree. Aren't you hungry?
我想是的。你饿了吗？
We think $ 87,000 per unit with a five percent discount for orders over 100.
我们减少到每台8。7万美元，订购超过100台给予5%的折扣。
He could not find his fifty pence piece anywhere, and what is more,
但他摸了半天也没找到那50便士硬币，