Melanodermatitis
[医] 黑皮炎
🗣️ 情景例句
Never pump gas with the engine running.
发动机在运转时，别加油。
The best teacher one can have is necessity.
我们能得到的最好教师是“需要”。
Advertisers discovered years ago that all of us love to get something for nothing.
做广告的人们多年前就发现我们大家都喜欢免费得到东西。