They announced the birth of their baby by putting a notice in the newspaper.他们在报纸上刊登启示, 宣告他们婴儿的诞生。In Caucasian populations, about 1 in every 87 deliveries is a twin birth.在白人人群中, 大约每87个分娩中就有一对双生婴儿.Sunshine censer gives b...
汽笛一响, 列车就徐徐开动了.Blowing its whistle, the train moved out, slowly at first.轮船上的汽笛呜呜叫.The ship's whistle kept hooting.汽笛在叫.The steam whistle is blowing....
I agree with the theorem that the best defence is offence.我同意最好的防御是进攻的理论.His theorem can be translated into simple terms.他的定理可用更简单的术语来解释.By the corollary to Theorem 4.3, the origin is asymptotically stable.根据定理4.3的推论, 原点...