Trichromoscope
三色镜
🗣️ 情景例句
Notices are displayed on the bus asking people not to smoke.
公共汽车上张贴着请勿吸烟的公告。
It's easy to fall into a trap, but hard to get out again.
堕入陷阱易，脱离陷阱难。
Thank you, doctor. Come along, Tom.
医生，谢谢你。我们走吧，汤姆。