Valvulae miralis
[医] 二尖瓣
🧩 词语组成解析
[医] 瓣, 瓣膜
🗣️ 情景例句
instead of redesigning the entire system.
而不必重新设计整套系统。
I'll need an economy ticket with an open return.
我要一张经济舱，回来时间不定的来回票。
Don't you think it necessary to have a close study of the contract to avoid anything missing?
你不觉得应该仔细检查一下合同，以免遗漏什么吗？