Two rockets homed in on it from behind without a sound.

两枚火箭无声地从后面向目标射去。

《柯林斯英汉双解大词典》

The helicopter crew thought it was being fired on and shot two rockets at the Pakistanis.

直升机机组人员以为遭到攻击，于是向巴基斯坦哨兵发射了两枚火箭。

youdao

As soon as it was activated, the ejection sequence activated two rockets attached to the back of his chair.

它一旦启动，发射程序将点燃两个绑在他座椅后面的两个火箭。

youdao

At least two rockets fired from Lebanon crashed into northern Israel, breaking a calm along the border that has prevailed since January.

VOA: standard.2009.09.11

It needed much more power than the rockets used to launch the one-man Mercury and the two-man Gemini flights.

VOA: special.2009.07.08

NASA is developing two separate rockets for the Ares program.

VOA: special.2009.12.30

Two rockets were fired during President Barack Obama's visit to Israel two weeks ago.

NPR: Israel Says It Will Not Let Gaza Rockets Continue

In that incident, two rockets fired from the Egyptian Sinai by Gaza-based militants landed in open areas, without causing damage or injury.

BBC: Gaza city: Israeli air strike kills Palestinian militant

As Obama began his program Thursday, Israeli police said militants in Gaza had fired two rockets at the southern town of Sderot.

NPR: Rockets Hit Israel As Obama Meets Palestinians