Alfameter
阿尔法仪(用光线反射法测量拉丝模模孔锥角用)
🗣️ 情景例句
I know.
我知道。
Omelets are not made without breaking of eggs.
鸡蛋不打破，蛋卷做不成；不甘愿吃苦，则预期效果达不到。
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。