Tracking assigns some students to college prep and others to vocational programs.按照能力，一些学生被分到大学预科班，另一些则被分到职业培训班。He got after his sister for tracking mud into the house.他责备妹妹脚下踩着泥走进屋里.All citizens should help the police i...
At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.The Y chromosome is starting to yield other intriguing tales as well.Y染...
This is your resident DJ signing off for another week with our signature tune.这是本台流行音乐唱片节目主持人,现在播放信号曲来结束我们为您安排的这一星期的节目.Doesn't that sound like the signature tune from The Late Late Show?那听起来像不像《深夜脱口秀》的开播曲？I don'...
Teddy clucked his tongue like a disapproving English matron.特迪咂了咂舌头，活像个不以为然的英国女舍监。Chickens clucked in the garden.鸡在花园里咯咯叫。The teacher clucked sympathetically at the child's story.对那小孩讲述的遭遇，老师啧啧地表示同情。...