They fired in long bursts, which depleted their ammunition
他們長(zhǎng)時(shí)間開(kāi)火，耗盡了彈藥。
He took careful aim at the target before he fired.
開(kāi)火之前他仔細(xì)地瞄準(zhǔn)了目標(biāo)。
Enemy guns fired a shell every two or three minutes.
敵人的大炮每隔兩三分鐘就會(huì)開(kāi)火。
He aimed at the target, fired and missed it.
他瞄準(zhǔn)目標(biāo)開(kāi)火，卻未打中。
But no one fired!
但是沒(méi)有人開(kāi)火。