The stool had a torn, red plastic seat.那个凳子的红色塑料座面已经破旧不堪。He hoisted himself onto a high stool.他抬身坐上了一张高凳子。He perched on a tall stool by the bar.他坐在吧台前的高凳子上....
顺? 反 测验可以用来确定遗传的功能单位――顺反子.Application of the cis - trans test defines the genetic unit of function, the cistron.结果: 1.P3G9-L为单Lac启动子同时驱动Fd段及K链 的双顺反子的可溶性Fab段表达载体.Results: P 3 G 9 - L can express soluable Fab fragment and ...
He laid his hand gently on the crown of her head.他把手轻轻放在她的头顶上。He appeared at Manchester Crown Court on Thursday on a drink-driving charge.他因被控醉酒驾车而于周四在曼彻斯特的刑事法庭受审。Bristol Crown Court granted conditional bail with a suret...
The most common causes are aortic or pulmonic valve regurgitation.最常见的原因是主动脉瓣或肺动脉瓣反流.Feeding too rapidly will cause abdominal distension and regurgitation.喂得太快会引起腹胀和反流.The valvular regurgitation did not affect cardiac st...