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....
他忽然打了一阵呃逆.He suddenly had an attack of the hiccups.呃逆在术后期间很令人烦恼.Hiccups can be very annoying in the postoperative period.慢性呃逆是一不易治疗的疾病,其发生机制尚不明确.Chronic hiccup is an intractable disease and its pathogenesis is still uncl...
Meanwhile, the higher HDPEC discharge is beneficial to modification of solidification structure.同时, 脉冲充电电压越高,凝固组织细化程度越大.And the reaction rate the precipitate solidification is also discussed.最后探讨了固化沉淀的反应速率.The heat of fu...
He shoots rabbits and he sets snares for them.他射杀兔子,也安放陷阱.Given data which are free from bias there are further snares to avoid in statistical work.即使数据本身不存在偏差在统计工作中仍需要避免其他陷阱。I am myself fallen unawares into the snares o...
The dead elms have been replaced by a row of saplings.枯死的榆树已被移去而换栽了一排幼树.The saplings should be two metres apart.每棵树苗要隔开两米.The saplings are budding.小树抽出了嫩芽....
Salt is a natural disinfectant.盐是天然的消毒剂。a strong smell of disinfectant呛人的消毒剂气味Please wash the dishes with the soapy water containing disinfectant.请用含消毒剂的肥皂水洗盘子....