Specializations
(specialization 的复数) n. 专业化, 特殊化, 专门化\\n[经] 特殊化, 专门化
🗣️ 情景例句
Fortunately, they returned safely.
说来幸运，他们平安回家了。
A penny saved is a penny gained.
省一文是一文。
If explosives are used, vibrations will cause the roof of the mine to collapse.
如果用炸药爆破，震动会引起矿顶塌落。