细胞的这种向里推进标志着原肠胚形成的开始.This pushing - in of cells marks the start of gastrulation.另一派认为它们是从微小动物的 “ 种子 ” 或 “ 胚 ” 形成的.Others belived that they were formed from the'seeds " or " germs " of these animalcules.桑椹胚形成于'&...
The functionalization principle and processing methods of PVC functional materials were introduced.介绍了PVC功能材料的功能化原理和加工方法.Compared to the other functional methods, post - functionalization are more widely researched and a...
Don't count in the broken ones.破的别算入在内.Don't count in me.不要把我算在内.See how many cups and saucers we have - but don't count in the cracked ones.看我们有多少个杯碟― ― 可是不要把破裂的算在内....
Dihydroxyindole is an important intermediate of melanin, amino - acid, biogenic base and tryptamine.二羟基吲哚是黑素原的重要中间体, 也是一些氨基酸 、 生物碱、色胺的中间体.Fermentation is a biogenic process.发酵是一种生物化学反应过程.Therefore , one cannot ignore the...
棕榈树在太平洋和煦的微风中轻轻地摇动。Palm trees stir in the soft Pacific breeze.她摇动摇篮哄婴儿入睡。She rocked the baby to sleep in its cradle.他感觉到脚下甲板的摇动.He felt the sway of the deck under his feet....
After that, life became a matter of defying school rules.从那以后，生活便成了处处与校规作对。Nearly eleven-thousand people have been arrested for defying the ban on street trading.将近有1.1万人因为违抗禁止在街上摆摊交易的禁令而被捕。Yet Kissinger succeeded in def...