1.
Back Boundary line
端线(单打后发球线)
2.
A screened gallery for spectators at the service end of a court-tennis court.
观众席庭院网球球场发球线后的观众席
3.
Place the cue ball on the brown spot and attempt to hit it along the baulk line.
把主球放在棕球置点上，试着使其在被击打后沿着发球线滚动。
4.
It is not taken from the baseline, but from the servere's own service court.
发球时，发球者不是站在球场的底线外，而是站在自己的发球区内。
5.
If a server's foot or a receiver's foot touches a line, it is a fault.
发球员或接球员脚触线，即为违例。
6.
To execute an inbounds pass.
发边线球从界外把球传入场内
7.
The service is a diagonal shot, hit into whichever service court is diagonally opposite.
羽毛球的发球是发对角线球。发球方将球发到自己斜对的对方发球区内。
8.
Johnson uses his double-handed topspin backhand drives and plays it back along the flight path of the service.
约翰反手抽上旋球，将球沿发球路线击回。
9.
A Global View in Development:From Linear Development to Scientific Concept of Development;
全球视野:从线性发展观到科学发展观
10.
A ball of yarn or thread.
线团，纱团丝线球或线球
11.
Her strokes are too long and too flat from the baseline and she never developed her serve.
她的击球离底线太远、平，发球也从未提高过。
12.
I could have sworn that I saw it hit the sideline.
我可以发誓我看到球打中了边线，
13.
( The serve must be played from behind the baseline and must land in the service box.
（球时选手必须站在底线之外，球必须要落在对方的发球区内。
14.
To put(the ball)into play by passing it from out of bounds to a teammate on the court.
发边线球通过从界外传（球）给场内一个队员把球置于比赛中
15.
Pig receiver &launcher shall be horizontal, and the diameter of pig valves shall be equal to the inner diameter of the pipe cleaned.
收发球筒采用卧式平放，收、发球阀的直径应等于被清扫管线的内径。
16.
Investigation and Analysis of the Effects of Service and Service Reception of Shanghai CATV Man Volleyball Team;
对上海有线男排发球与接发球效果的调查与分析
17.
To serve, the player throws the ball straightly up into the air. It must leave the palm of his hand. It must then be hit at the first attempt.
发球时，运动员要把球向上直线抛起，球须脱离手掌，然后球必须一次击出。
18.
a free kick from the corner awarded to the other side when a player has sent the ball behind his own goal line.
当一方球员将球碰到自己地线外时，另一方从球场一角往另一边发的任意球。