Fibercoloscope
纤维结肠镜
🗣️ 情景例句
I was left with nothing.
我一点儿不剩了。
Excuse me, can you alter this jacket for me?
请原谅，你能替我修改这件短上衣吗？
How did the bees know exactly in which diection to fly?
蜜蜂是怎样确切地知道朝哪个方向飞呢？