Each of these life - sustainng agents begins as a stem cell , a sort of hematological embryo.这三种维持生命的要素都起源于干细胞.干细胞是血液的胚胎.Dolly's legacy includes the possibility of making patient - specific embryonic stem cell lines...
A butterfly is produced by metamorphosis from a caterpillar.蝴蝶是由毛虫脱胎变成的.the metamorphosis of a caterpillar into a butterfly从毛毛虫到蝴蝶的蜕变The caterpillar was transformed into a butterfly.毛毛虫变成了蝴蝶。The results showed that the J...
他已经将半个果园的草割除.He's scythed half the orchard.做完割除晶状体手术后以后还会近视 吗 ?Finish is meeting myopia returned later after operation of resect crystalline lens?切除(术),摘除(术)手术割除或去掉身体的一部分或组织.Surgical excision or amputation of a body...
The door is shut so that no one may overhear what is said.门关着，这样没人能听见说话的内容。They stepped aside so that their child could not overhear their conversation.他们走到一边去,不让孩子听见他们的谈话.I happened to overhear what he said.我碰巧听到他说的话....
性病的传播已呈下降趋势.The transmission of sexual related diseases have been declining.这完全是出于避孕和预防性病的考虑.This completely is stems from contraceptive and the prevention venereal diseases consideration.目的:探讨新生儿缺血缺氧性病的护理.Objective To e...