These epithelial elements arise embryologically from foregut endoderm in the process of bronchial tubular growth.这些表皮细胞在胚胎学上把源于支气管生长过程中的前内脏叫内胚层.The mucous cells lie in the anterior part of the foregut and cloaca.粘液细胞分布于前...
The instructors were slacking on the job.教员们对工作松松垮垮.He had never let a foreman see him slacking.他从未在哪个工头面前表现出丝毫懈怠。The rain was slacking and we were moving along.雨稀松下来,而我们又走动了....
杂原子数越多, 分子被氧化的程度越高.The larger the number of heteroatoms, the more highly oxidized the molecule.关键反应为底物控制的不对称杂原子共轭加成反应.The key step was a substrate controlled asymmetric heteroatom conjugated addition.杂原子烯反应是该反应的重要组成部分.Th...
Miliband made clear that he will be monitoring Libyan conduct.米利班德明确表示,他将密切关注利比亚的举动.I tell you the Libyan judiciary are really good.我可以告诉你,利比亚的司法机构是非常健康的.The Libyan leader himself visited Megrahi at his home on Saturday....
the textural characteristics of the rocks岩石的纹理特征Men have ascribed their own characteristics to their gods.人们认为他们的特性属于诸神.Many exhibits with characteristics of the Chinese art are on display.许多具有中国艺术特色的展品陈列出来....