Sph
abbr. spherical lens 球面透镜
🗣️ 情景例句
you need to work at it, Grandpa.
你得常练它， 爷爷。
You must be hungry. Shall we get something to eat?
你一定饿了，我们吃点东西好吗？
In the Northeast it will be fine.
东北天气晴朗。