Phase reaction
[机] 相反应
🧩 词语组成解析
🗣️ 情景例句
Don't be lazy, the older you get, the harder it will be to learn.
别偷懒，年纪越大，学起来就越难。
My father is vacationing in the north.
我父亲正在北方度假。
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。