Fiberendoscope
纤维光束内窥镜
🗣️ 情景例句
Thanks, Grandpa.
谢谢你， 爷爷。
Put your books down on the table.
在桌子上放下你的书。
Oh. It's very nice. How far have you been in it?
嗬，太漂亮了。你开它走了多远？