Flexible sigmoidoscopy
[医]可屈性乙状结肠镜检查
🧩 词语组成解析
[医] 乙状结肠镜检查
🗣️ 情景例句
You can catch the ten-twenty train to Grand Central Station.
你能赶上开往Grand Central Station的十点二十分班车。
I ask him to see the doctor.
我要求他去看医生。
It was not forced upon them by the survival competition; they could have caught and lived on prey without using poison, just as the thousands of non-poisonous snakes still do.
毒液不是生存竞争强加给它们的，它们也可以不用毒液捕捉动物而生存，就像今天成千上万的无毒蛇那样。