firing line   (TTS Sound)

The firing_line has 2 Senses.

• firing line
• 火線
• the line from which soldiers deliver fire
• 兵士が砲撃を加える線

• firing line
• the most advanced and responsible group in an activity; "the firing line is where the action is"
• ある活動において最も進歩的で責任を伴うグループ