upper cover

• 上层覆盖,上盖

upper cover的用法和样例：

例句

1. Doors Open Both the FRONT DOOR and UPPER HOOD are open.
   前门和上盖一起开。
2. And every open vessel that has no cover fastened on it is unclean.
   凡敞口的器皿，就是没有扎上盖的，也是不洁净。