洼地

洼地 [wā dì]

1. ■ marsh land; depression; low-lying land; laeuna; downbend; draw; howe; recess; incavation; swale; flat; dip; [德] senke; （月球上的） endocrator:

雨水聚积在几处洼地里。 The rain collected in several depressions.

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常用词组

1. ■ 洼地病 bottom disease;

2. ■ 洼地发电厂 depression power plant;

3. ■ 洼地改造 improvement of low land;

4. ■ 洼地治理 waterlogging conservancy