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.外胚层囊胚的外层,在原肠胚形成之后生后外胚层组织.The outer layer of a blastula that gives rise to the ectoderm after gastrulation....
Archie liked to think he kept up with current slang.阿奇喜欢那种紧跟潮流，讲满口时髦新词的感觉。Archie kept us amused with his stories.阿奇一直给我们讲故事来逗我们开心。Archie, shut up. You're prattling.阿奇，闭嘴！净废话。...
他认为 “ 无拘束的妇女 ” 只是家族的传奇.His opinion of " loose women " was legendary in the family.有爱的无拘束行为是美丽的.Familiar acts are beautiful through love.黑纱一旦拉开, 他们就可以无拘束地谈论它, 可是在拉开之前却不便启齿.Were the veil but cast aside, they might speak fr...
We shall refer here to three significant trends that arose in the previous decade...这里我们将提及过去 10 年中出现的 3 个显著趋势。He arose at 6:30 a.m. as usual.同往常一样，他在早上6:30起了床。When I arose from the chair, my father and Eleanor's fa...