Embasement
墙基, 底脚
🗣️ 情景例句
First word ...
第一个字……
I'm glad to hear you are getting married.
我很高兴听到你将结婚的消息。
Though a number of descents have been made, much of it still remains to be explored.
人们多次进入洞内探险，但至今尚有不少东西有待勘探。