Merilising
(钢的)磷化处理法, 磷酸盐表面处理法
🗣️ 情景例句
He should just about get by in the exam.
他这次考试还能勉强及格。
His friend was injured in an airplane crash.
他的朋友在飞机碰撞中受伤。
Tony speaks English and he plays tennis.
托尼会说英语，打网球。