凹陷

凹陷 [āo xiàn]

1. ■ hollow; sunken; depressed; pit; inflection; swaying; deboss; sag; dished; thumbmark （禽类单冠边上的）; subside; depression; downwarp; indentation:

双颊凹陷 sunken [hollow] cheeks;

凹陷成盘形 dish in;

地面凹陷。 The ground caved in.

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常用词组

1. ■ 凹陷骨折 depressed fracture;

2. ■ 凹陷湖 downwarped lake;

3. ■ 凹陷花边 gorge;

4. ■ 凹陷口 fossaperturate;

5. ■ 凹陷泉 depression spring