Sigmoidoscope
n. 乙状结肠镜\\n[医] 乙状结肠镜
🗣️ 情景例句
Just because the other kids have motor scooters is no reason for you to stop riding your bike to school.
只是因为其他的孩子都有电单车上学，不足以成为你不骑车上学的理由。
I said, Do you want me to help you?
我是说:你要我帮忙吗？"
But some people don't want good farmland to be built on.
但有些人不愿意把好的农田用来建造厂房。