- 下沉: sink; subside; submerge
- 作业: school assignment
- 晶体下沉作用: crystal setting
- 下沉: 1.(沉没) sink; subside; submerge 这两条船同时下沉入海。 the two boats sank together into the sea.2.(陷下去) subside; sink; cave in 地基下沉。 the foundations have subsided
- 浮沉作用: floating-sink action
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