发布于:2025-07-06 06:06浏览量:120文/优校网
1.【无线】(半导体工艺中的)衬底,基底
2.【生】(生态学中的)基层;【生化】受质;被酶作用物
3.底层,地层
1.the material that a plant or an animal that does not move much feeds on or uses as support
2.a substance on which a catalyst or enzyme has a particular effect