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首页英语词典substratesubstrate英英释意

substrate

英 ['sʌbstreɪt] 美['sʌbstret]

英英释义实用场景例句

n. 基质；基片；底层（等于substratum）；酶作用物

英英释意

1. the substance acted upon by an enzyme or ferment

2. any stratum lying underneath another