试验应用鸡公雏, 检测了人工合成青蒿素对鸡盲肠球虫病的预防效果.Using younger cocks, the preventive result of artificial synthesize arteannuin to Chicken Caecum Coccidiosis was examined.目的为比较中药和化学抗球虫药对兔球虫病的疗效.In order to compare the efficacy of Chinese...
I was as tardy as ever for the afternoon appointments.和以往一样，下午的约见我又迟到了。The hospital is freezing staff appointments as part of its cutbacks.这家医院冻结员工职位作为削减开支的一部分.The secretary is trying to schedule the month's appoint...
伴随着隆隆的低沉噪声，螺旋桨开始旋转起来。With a low-pitched rumbling noise, the propeller began to rotate.头顶上，直升机在呼啸，巨大的螺旋桨叶片搅动着空气。Overhead, the chopper roared and the big blades churned the air.发动机使螺旋桨旋转起来。The engine turned a propeller....