Cervimeter
[医] 子宫颈测量器
🗣️ 情景例句
You're right, Robbie.
你说得对 ，Robbie。
The physician said smoking is harmful to my health.
医生说了吸烟对我的健康有害。
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land.
100年前，我们只知道海洋是二维平面形的，以及靠近陆地浅水区的深浅不一能给航行带来危险。