gastrulation是什么意思？

gastrulation的音标：gastrulation的英式发音音标为：[ˌgæstrʊ'leɪʃən]gastrulation的美式发音音标为：[ˌgæstrʊ'leɪʃən]...

This pushing - in of cells marks the start of gastrulation.细胞的这种向里推进标志着原肠胚形成的开始.The outer layer of a blastula that gives rise to the ectoderm after gastrulation.外胚层囊胚的外层,在原肠胚形成之后生后外胚层组织....

Matty的音标：...

grouch的复数形式为：grouches...

不等鞭毛的...

bandages的音标：...

As we get older the temperature-regulating mechanisms in the body tend to become a little less efficient.随着年龄的增长，人体体温调节机制的功能往往会有所弱化。In economic work, we should pay attention to opening up the source and regulating the fl...

At first it looked like I was going to win by acclamation.起初看起来我会以口头表决的方式获胜。The news was greeted with considerable popular acclamation.消息赢得了相当普遍的欢呼。The decision was taken by acclamation .该决议是经口头表决而作出的。...

“节约”的英语可以翻译为：practice thrift，economize，save，economy，retrench ...

hydropic的音标：hydropic的英式发音音标为：[haɪ'drɒpɪk]hydropic的美式发音音标为：[haɪ'drɒpɪk]...

chromotrichia的音标：chromotrichia的英式发音音标为：[k'rəʊməʊtrɪkɪə]chromotrichia的美式发音音标为：[k'roʊmoʊtrɪkɪr]...

n.氯苯乙酮...

The car passed over the body twice, once backward and then forward.那辆车把那人来回轧了两次，先是倒着轧的，再是往前开着轧的。They are in twice daily radio contact with the rebel leader.他们每天用无线电和叛军首领联系两次。The legislation has twice been rejected by the...

n.分米...

immunotransfusion的音标：immunotransfusion的英式发音音标为：[ɪmjʊnəʊtræns'fju:ʒən]immunotransfusion的美式发音音标为：[ɪmjʊnoʊtræns'fjuʒən]...

One laboratory stock of Drosophila melanogaster has very reduced or vestigial wings.果蝇的一种实验品系,翅膀缩小,称为残翅.Vestigial remains of these plays are now seen in the Christmas pantomime.在圣诞节演出的哑剧中还能看到这些戏剧残留下来的痕迹。The wings of the ...

Collapsing interstellar cloud reverses its gravitational infall and expands outward into the relatively quiescent interstellar environment.坍缩的星际云克服向内的引力而向外膨胀到较宁静的星际环境中去.Master Au further expands the realistic renditions ...