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...
守着水的地方要多养鱼.Where there is water nearby, make a special effort to breed fish.淡水养鱼大有可为.There are bright prospects for freshwater fish farming.他们在水库养鱼.They breed fish in the reservoir....
The isodecyl formate is considerably more stable to hydrolytic attack than the isodecyl otrhoformate.甲酸异癸酯,较原甲酸异癸酯对水解的破坏作用要安定得多.Saturday's attack occurred near that shrine and the Imam Abbas shrine.星期六的袭击在那所圣祠和圣父阿訇圣...