We watched buildings fall on top of people and pets.我们看到一幢幢大楼倒塌，砸在人和宠物身上。Certainly, pets can help children develop friendship skills.宠物的确能够帮助孩子们培养交友技能。popular pets, e.g. cats and dogs很多人喜爱的宠物，如猫和狗...
那些墙壁通体上下都是白的。Throughout, the walls are white.这种衬衫有三种颜色: 白的 、 浅蓝的、土黄的.These shirts come in three different colours: white, pale blue and khaki.黑是白的对立面.Black is the opposite of white....
It's time to serve up the main course.该上主菜了.Chrysler will be able to serve up a substantially better car.克莱斯勒有能力制造更为优异的汽车.Are you ready to serve up?你们可以上菜了 吗 ?...
The secret of the machine lies in the aerodynamic shape of the frame.该机器的精妙之处在于其构架呈流线型。Aerodynamic forces and moments are strictly speaking functionals of the state variables.严格说来,气动力和力矩是状态变量的泛涵.These effects appear to b...