Parkerization
磷酸盐防锈处理
🗣️ 情景例句
She's been having a fling.
她曾经风流放纵过。
Business may be troublesome,but idleness is pernicious.
事业虽扰人，懒惰害更大。
and the doctor in charge of the department is only too ready to provide them with these requirements.
负责门诊的医生也非常乐意为前来看病的人提供他们想要得到的药物，