Photostabilization
耐光性
🗣️ 情景例句
and the company in Los Angeles
而在Los Angeles
The fire is the test of gold; adversity of strong man.
烈火试真金，困苦练壮士。
My dentist had just pulled out one of my teeth and had told me to rest for a while.
我的牙科医生刚刚给我拔掉了一颗牙，叫我休息一会儿。