时间:2019-01-10 作者:英语课 分类:与美国小学生一起学英文第6册


英语课

   The Wheel 轮子


  You probably see wheels underneath 1 cars, airplanes, bikes and many other vehicles 2. 你可能看到过汽车、飞机、自行车和很多其他交通工具底下的轮子。
  A wheel is a kind of machine. 轮子是一种机器。
  It is round, it moves along the ground. 它是圆形的,能沿着地面滚动。
  It helps people to move heavy things, also it helps people to travel faster. 它能帮助人们运送笨重的东西,也能使人们的旅行更快捷。
  Do you know when the first wheel was made? 你知道第一个轮子是什么时候制造出来的吗?
  It was made around B.C.3500. 它大约是在公元前3500年制造的。
  At that time, it was made of wood. 那时,它是由木头制成的。

adj.在...下面,在...底下;adv.在下面
  • Working underneath the car is always a messy job.在汽车底下工作是件脏活。
  • She wore a coat with a dress underneath.她穿着一件大衣,里面套着一条连衣裙。
n.运载工具;传播媒介;(为展露演员才华而)特意编写的一出戏(或电影等);[画]展色剂;交通工具( vehicle的名词复数 );车辆;传播媒介;手段
  • There is not much clearance for vehicles passing under this bridge. 车辆在这座桥下通过时没有多少余隙。
  • to carry out random spot checks on vehicles 对车辆进行抽检
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