Sigmoscopy
[医] 乙状结肠镜检查
🗣️ 情景例句
You are twenty-one, a grown-up young lady old enough to make up your own mind.
你已经21岁了，已经到了可以自己做主的年龄了。
His confidence can be destroyed by a harsh word.
他的信念，只要受到严厉的批评就会崩溃。
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。