Optical plastics
[化] 光学塑料
🧩 词语组成解析
plastics
[['plæstiks]]
n. 塑料制造学, 塑料学, 整形外科, 成形外科, 塑料, 塑料制品\\n[化] 塑料
🗣️ 情景例句
I don't know.
我不知道。
To be of use in the world is the only way to be happy.
为善最乐。
I once spend an uncomfortable weekend which I shall never forget at his house.
有一次，我在他家里度周末，过得很不愉快。这事我永远不会忘记。