弗吉尼娅还在尽力成为一位勤勤恳恳、全心奉献的母亲。Virginia was still struggling to be a conscientious and dedicated mother.“ 我能奉献的只有鲜血 、 辛劳 、 眼泪和汗水 ”" I have nothing to offer but blood, toil, tears and sweat "尤其是大卫·柯鲁克先生, 他的一生是奉献的一生.Mr. David Cr...
The sex of the embryo is predetermined at fertilization.胚胎的性别早在受精时就决定了。...an ideal system for studying the development of the embryo...研究胎儿发育过程的理想方法Metabolic activity quickly develops in the cells of the embryo and the a...
肥胖会增加高血压和中风发作的几率。Obesity correlates with increased risk for hypertension and stroke.即使是轻度超重也会增加患高血压的风险。Being even moderately overweight increases your risk of developing high blood pressure.有高血压的人尤其易患糖尿病。People with high...
他应募加入空军对敌作战.He enlisted with the air force to fight against the enemy.他儿子在两三年前应募入伍。His son was enrolled for military service a couple of years ago.但是对于志愿的应募,应该大力加以鼓励.Voluntary recruitment for these Services should howeve...
Janet inhaled sharply when she saw him.珍妮特看到他时猛地吸了口气.Many countries have limited or banned the use of asbestos because of fears that its fibres cause diseases such as lung cancer if inhaled.许多国家限制或禁止了石棉的使用,因为害怕其纤维被吸入人体后会...