Adunc
a. 向内弯曲的
🗣️ 情景例句
Your car's very noisy. The muffler must be damaged.
你的车噪音真大，消声器一定出毛病了。
Habit is second nature.
习惯成自然。
He will take part in an important race across the Atlantic.
他将参加一次重大的横渡大西洋的比赛。