这一新技术已经被用来鉴别胎儿的性别。The new technique has been used to identify the sex of foetuses.他的腿蜷缩在身下，就像胎儿的姿势一样。His legs were curled beneath him in a foetal position.缺氧可能阻碍胎儿的大脑发育。A lack of oxygen may inhibit brain development in t...
The fauna in the Joli Fou consists of bivalves and arenaceous forams.乔里富组内的化石主要是双壳类和砂壳有孔虫.With fecund and loose with the arenaceous qualitative soil with good drainage had better.以肥沃疏松和排水良好的砂质土壤为好.There cannot be arenace...
A freckle - face blenny peeks from its reef burrow in the Solomon Islands.奇特的海生物图片画廊.一只斑点面容粘鱼窥视从它的暗礁穴在所罗门群岛.She peeks at her neighbor from the curtain.她从窗帘后面窥视她的邻居.Photo Gallery : Marine Marvels A freckle - face blenny p...