“保护物”造句
2024年06月19日 11:43:19
围裙是做脏活时的
保护物.
An apron is a protection when doing dirty work.
各种维生素都是
保护物,能对抗某些养素缺乏症.
Vitamins are protectives against certain deficiency disease.
钢铁制品常常涂上一层
保护物,以免生锈.
Steel and iron products are often coated lest they should rust.