padded cover meaning in Chinese

凸盖纸盒

Cylinder block vacuum pump pad cover
汽缸体真空泵垫盖
When lily pads cover up the whole surface of a pond , all fish and other organisms living underneath will suffocate to death
当睡莲叶子将整个池子表面盖满时，生长在下面的所有鱼类将因窒息而死去。
Suppose lily pads cover up the whole surface of a pond on the 30th day of their growth ( when they bring all life forms in that pond to a horrible end ) , how long does it take them to shield half of the surface
假如睡莲叶子在它们生长过程中的第三十天时就盖满整个池子（将这个池子里的所有生命送入一个恐怖的尽头），那么盖满半个池子需耗多少时间呢？