Stomodeum
[医] 口道, 口凹
🗣️ 情景例句
One of my great enthusiasms in music.
我的一大爱好就是音乐。
It's a bit too hard.
这有点太难了吧。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。