Amphicelous
[医] 两[边]凹的
🗣️ 情景例句
I was faced with a new problem.
我面临了新的问题。
He deserves praise.
他应得称赞。
In man's early days, competition with other creatures must have been critical.
在人类早期，人类与其他生物的竞争一定是必不可少的。