cave

词根词缀:

词根
cav= hole 洞

cave n. 洞穴

cavelet n. 小洞

cave 洞穴 + let 小 → 小洞

cavern n. 大洞

cav 洞 + ern 场所,地点 → 大洞

cavity n. 穴;腔

cav 洞 + ity 具备某种性质,状况 → 穴;腔

concave adj. 凹面的

con 加强 + cave 洞穴 → 像洞一样 → 凹进去的 → 凹面的

excavate v. 挖掘

ex 出 + cav 洞 + ate 做,造成,使… → 从洞中〔挖〕出来 → 挖掘

数据来源:新东方英语词汇速记大全

相关例句:

It's all darkness in the cave.

山洞里一片黑暗。

Heedless of time or any other consideration, they began to search the underwater cave

他们顾不上考虑时间或任何其他因素就开始寻找水下洞穴。

The scene in the Shihua Cave is unsurpassably magnificent.

石花洞里的景象真是太奇瑰了!

What is the depth of the cave?

这山洞有多深?

There is only a pinpoint of light in the cave.

山洞中只能见到一丝光线。

Most of the mouth of the cave was submerged in the lake.

洞口大半都淹没在湖里。