It enter the late blastula stage in 6 h 50 min.6小时50分进入低囊胚期.However , content of the dissolvable protein and amino acid during gastrula stage during blastula stage.总氨基酸含量在胚胎发育早期下降较快, 胚胎发育至后无节幼体期氨基酸含量下降幅度变缓.The cells of t...
These large institutions make — and change—the rules to suit themselves.这些大机构总是随意制定规定，而且说变就变。People will work themselves up into a state about anything.人们总会沉不住气，为任何事感到担忧。The small British crowd roared themselves hoarse, ...
He always flies into a tantrum when he's contradicted.每当不如意时他就会大发脾气.He contradicted his own statement.他否认他自己说过的话.We tripped him up and he contradicted himself.我们使他的话相矛盾....