引言：
发球，也可以是一种享受。
serve /sɜːv/
verb
(in tennis , etc. 网球等) 发（球）
to start playing by throwing the ball into the air and hitting it
[V] Who's serving?
谁发球？
[VN] She served an ace.
她发球直接得分。
He served 17 double faults...
他有 17 次双发失误。
noun
(in tennis , etc. 网球等) 发球
the action of serving the ball to your opponent
His powerful serve was too much for the defending champion.
他的大力发球让卫冕冠军难以招架。
Thanks for reading~
