那位老师听任教室内有过分的嘈杂声.The teacher allows too much noise in the classroom.他们能听到拥挤的酒吧传出来的嘈杂声.They could hear a loud babble of voices coming from the crowded bar.他们身后响起一片嘈杂声，也许还有枪击声，但他不能确定。Behind them was a confusion of noise, p...
The primary chalazal haustorium ramifies around the vascular tissues of the ovule.初生合点吸器沿着胚珠的维管组织分支.Seed development in most instances commences following fertilization of the ovule.大多数种子的形成是从胚珠受精开始的.Frequently the basal...
The officials felt taken for granted and grumbled loudly.这些官员感到受了怠慢，于是大声抱怨起来。It was quiet now, the thunder had grumbled away to the west.隆隆的雷声向西边传去，现在寂静下来了。Some grumbled that Johnson was more trouble than he was worth.有人...
铁剂和叶酸片常被配给孕妇服用。Iron and folic acid supplements are frequently given to pregnant women.甜菜富含营养,包括叶酸, 铁元素和纤维素等.Beets are high in nutrients including folate, iron and fiber.叶酸能帮助防止诸如脊柱裂等神经管畸形出生缺陷的发生.Folic acid helps prevent ...
这个男孩因患肠梗阻死去了。The boy was suffering from a bowel obstruction and he died.其它少数情况是高位肠梗阻.A few other conditions are in high intestinal obstruction.肠梗阻时的急性腹痛常不稳定.The acute abdominal pain of intestinal obstruction usually fluc...