Sex ratio
[医] 两性比率, 性[别]比率
🧩 词语组成解析
sex
[sɛks]
n. 性别;两性之一;性，性特征;性活动;
vt. 辨识性别;引起性欲;吸引;
ratio
['reiʃiəu]
n. 比，比率;比例;系数;
vt. 求出比值，除，使…成比例;将（相片）按比例放大[缩小];
🗣️ 情景例句
It is.
是的。
A volcano erupted.
火山爆发了。
After the train had left the station, the lady opened her handbag and took to her power compact.
火车开出车站后，那位妇女找开了手提包，拿出了粉盒。