发令枪的英文：
starting gun

starting是什么意思：
n. 开始，起点；动身；开动；震惊，震动
v. 出发；开始，着手；发动；创办；惊起

Then It'started to break into pieces. These pieces started to move apart.
然后它开始分为很多块。这些分开的板块开始移动，分开。

He started coughing blood.
他开始咳血了。

His hearing has started to go.
他的听力开始衰退。

He gave a slight start.
他微微地震动了一下。

The engine won't start.
引擎发动不起来。

gun是什么意思：
n. 枪；炮；枪状物；鸣放；烟斗；职业杀手
v. 用枪射击；加大油门快速前进；向...开枪

You undercharged the gun.
你炮中火药装填不足。

pull gun on sb.
拔枪对准某人

The big guns boomed in the distance.
远处大炮声隆隆作响。

electric heat gun
电热枪

Handle that gun with caution.
拿那支枪要小心。