Acid degradation
[机] 酸降解
🧩 词语组成解析
🗣️ 情景例句
Am I older than you? You look so young.
我比你老吗？你看起来非常年轻？
Would you mind handing me that cup?
请把那个杯子递给我，好吗？
In summer, people like to go sailing, swimming, horse-riding, and rock-climbing in the mountains.
夏天，人们喜欢去扬帆航行、游泳、骑马，还到山里去攀岩。