她把一头稀疏的浅黄色头发向后梳，挽成了个圆髻。She had pale thin yellow hair she pulled back into a bun.稀疏的灰白头发披散在她肩头。Grey wispy hair straggled down to her shoulders.稀疏的植物只够喂养少量的动物.The sparse vegetation will only feed a small population of anim...
它们对被它们催化的反应有很强的专一性.They are highly specific for the reactions that they catalyze.这个脱羧作用是由谷氨酸脱羧酶催化的.This decarboxylation is catalysed by the enzyme glutamic acid decarboxylase.这个复合反应是被邻氨基苯甲酸合成酶催化的.This complex reaction is...
an amalgam of strength, reputation, and commitment to ethical principles力量、名誉和坚信民族信念的结合体Objective: To apply the theoretical basis of argent - glass ionomer cement taking the place of silver amalgam.目的: 为银粉玻璃离子替代银汞合金提供了理论...
In the middle of the table sat a little dog, shaking its paw and yelping.在桌子中间有一只小狗坐在那儿, 抖着它的爪子,汪汪地叫.Grizzly bear paw whacks camera out of position and jettisons it downstream.大灰熊的爪子把摄像机移出了固定的位置并且把它扔到了下游.The dogs continu...