checkout tower

• 测试塔

checkout tower的用法和样例：

例句

1. Regardless of danger, he climbed the tower.
   他不顾危险地爬上了高塔。
2. Have you seen the hill whereon a tower is standing?
   你看到耸立着一座塔的那座小山了吗？

词汇搭配

• check out 退房结帐