Optist
[医] 验光师
🗣️ 情景例句
I made an appointment with the doctor at three.
我和医生约好3点钟看病。
Light troubles speak; great troubles are silent.
小困难，大声叫嚷；大困难，闷生不响。
Speculations about is nature have been going on for literally thousands of years,
人们对睡眠作用的种种猜测，确实有数千年之久。