double fire wire的用法和樣例：
例句
- This enables the head and upper torso to be removed away from the line of fire.
這就能使射手的頭部和上身離開火線。 - During the Meiji Restoration, the Tokugawa shogunate's campaign to attack government troops of the soldiers singing the song that washed up on the line of fire.
明治維新期間，攻打德川幕府的戰役，政府軍的戰士們就是唱著這首歌衝上火線。
