词汇	a private room
释义	a private room. 私人房间
随便看	semi-group algebra semigroup graded category semigroup-graded category semigroup homomorphism semi-group homomorphism semigroup method semi-group method semigroup morphism semi-group of class C0 semi-group of class C。 semigroup of co class co semigroup of idempotent semigroup of linear operator semigroup of operator semigroup of operators semigroup of partial transformation semigroup of partial transformations semigroup of quotients Semigroupoid semi-groupoid semigroupoids semigroup property semi-group property semigroup ring semi-group ring