Opticist
n. 光学家\\n[医] 光学家
🗣️ 情景例句
He ventured to speak to her.
他鼓起勇气向她说话。
Give a thief rope enough and he will hang himself.
多行不义必自毙。
The idea of colonising Mars---- a world 160 times more distant than the Moon----
征服火星的计划-一个比月球远160倍的星球