Pholocatalyst
[医] 光催化剂
🗣️ 情景例句
If your pet turtle gets sick, take him to the vet.
如果你的宠物龟病了，带它去看兽医。
The law is not the same at morning and at night.
早上的法令跟晚上的不一样；朝令夕改。
You certainly did!
你吼得好凶呀！