Optical device
[电] 光学装置
🧩 词语组成解析
🗣️ 情景例句
What's the matter?
发生了什么事？
We should weep for men at their birth and not a t their death.
我们应在人降生时流泪，而不该在人死亡时哭泣。
Stories about people often attract far more public attention than political events.
常人轶事往往比政治事件更能引起公众注意。