发球入场的英文：
throw in

throw是什么意思：
v. 投，掷，抛，扔；使突然陷入；掷（骰子）；摔倒
n. 投掷；投距，射程

They throw into the room.
他们冲进房内。

To throw into disorder.
弄乱,使凌乱

The act of throwing or a technique used to throw an opponent in wrestling.
摔交的动作，摔交的技巧在摔跤中将对手摔倒的动作或技术

To throw into a state of confusion.
扰乱，使困惑陷入混乱的状态

Now this is his final throw.
现在这是他的最后一次试投。