No one knows why a fetus is not automatically rejected by the mother’s immune system.没有人知道为什么母亲的免疫系统不会自动排斥胎儿。Modern medical technology like type-B ultrasonic checks can reveal the fetus gender.现在的医疗仪器例如B超是可以分辨出胎儿的性别的。Gro...
本文以紫坪铺水利枢纽工程引水发电洞进水口边坡为研究对象.This paper takes the water - intake slope as the research object.现在我们得把水渠的进水口关上了.Now we must shut off the in - flow of the canal.对于河床 式 厂房, 下部结构中还包括进水口结构.The bed - plant, the structure also in...
The spade sank into a clump of overgrown bushes.铲子插入了一丛长势旺盛的灌木丛。Much of the track had become overgrown with hawthorn.小路上很多地方都长满了山楂树。...a garden overgrown with weeds.长满杂草的园子As the equipment was unpacked, I led Lee around ...