Fluoroprint
荧光印痕器
🗣️ 情景例句
May I use a knife and fork please?
我可以用刀叉吗？
Two ears to one tongue, therefore hear twice as much as you speak.
两只耳朵对一舌，故应多听而少说。
She doesn't like eggs.
她不喜欢吃鸡蛋。