aerial gas attack的用法和样例：
- "Gas Attack six subway workers suffered after undergoing treatment.
- This is a major L of C and is liable to bombing and gas attack from the enemy.
- Information has reached you that a terror squad is regrouping at the subway for a possible nerve gas attack.
- Dozens of young girls have been hospitalized after a gas attack at their school in Afghanistan.
- Therefore the people to avoid the poison gas attack, starts to purchase the gas mask and the native manufacture medicine crazily.