Caverning
n. 巨穴, 洞窟, 深处\\nvt. 放于山洞中, 挖空
🗣️ 情景例句
Thanks.
谢谢你的夸奖。
Every country has its customs.
乡有乡俗。
Officials from Greenwich Observatory have the clock checked twice a day.
格林尼治天文台的官员们每天两次派人矫正此钟。