Focometry
测焦距术
🗣️ 情景例句
to buy a new house.
来买一栋新房子。
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。
My wife and I are walking along the banks of the river.
我和妻子沿河岸走着。