Visuometer
视力计
🗣️ 情景例句
The security guard asked the stranger for some I.D.
保安要求陌生人出示身份证。
In good years corn is hay, in ill years straw is corn.
丰年五谷贱如草，荒年稻草贵如粮。
I like writing to my penfriend, but it takes a lot of time.
我喜欢给笔友写信，但那很花时间。