Sulcus
[医] 沟
🗣️ 情景例句
we need to have our own place to live.
我们应该有自己的房子。
Hard to say.
很难说。
After entering the narrow gap on the plateau, they climbed down the steep sides of the cave until they came to narrow corridor.
他们从高原上的窄缝进去，顺着笔直陡峭的洞壁往下爬。来到一条狭窄的走廊上。