1.
The piston is playing within the cylinder at a moderate speed.
活塞在汽缸中以中等速度往返运动。
2.
Both the players emphasized the power game of serve and volley and rallies were too short.
两们运动员都太注重发球的威力和空中拦截，往返击球的次数太少。
3.
a train taking passengers to or from a port.
运送乘客往返于一个港口的列车。
4.
a commuter who uses public transportation.
利用公共交通运输条件的经常往返者。
5.
a passenger train that is ridden primarily by commuters.
起初是由往返者驾驶的客运列车。
6.
The new trains shuttle passengers across the town.
一列列新火车往返穿梭市内运送旅客。
7.
Animals, after many crossbreedings, cry back.
动物在多次杂交之后，往往出现返祖现象。
8.
Forecast for Transport Volume and Capacity for Container Shipping of Global Eastward and Westward Line;
全球东西干线集装箱往返运量运力预测
9.
Each component induces a characteristic motion of the electrons in a material-back and forth in response to the electric field and around in circles in response to the magnetic field.
两种场各自引发材料中的电子做特有的运动：随著电场往返振盪，以及绕著磁场打转。
10.
The Basic individual skills 0f a Badminton player include:serving,volleying,the Backhand smash,the forehand smash and the drop shot.
羽毛球运动员的个人基本技术包括:发球,往返拍击,反手扣杀,正手扣杀和短、轻吊球。
11.
Back and forth
来回,往返,来来往往地
12.
There is a shuttle service between the city center and the air station.
在市中心和飞机场之间有往返的穿梭运行班车。
13.
The Design and Manufacture of Electronic Cars;
自动往返电动小汽车的设计原理与制作方法
14.
shuttle train
[美]短程往返火车
15.
One way or round way?
单程还是往返程? ?
16.
A Topology Inference Algorithm Using Round Delay Variation
利用往返时延抖动的网络拓扑推断算法
17.
up-and-down movement
垂直往复运动;垂直运动;升降运动;上下运动
18.
make a return, as of a punt or a kickback, in football.
返回，如在足球运动中踢凌空球。