a gas attack的用法和样例：
- Dozens of young girls have been hospitalized after a gas attack at their school in Afghanistan.
- He cooks his meal with a gas stove.
- We finally drove up to a gas station.
- There is a gas station twenty miles away.
- Is there a gas station in the immediate area?
- Chatting with a friend is a gas.
a gas attack的相关资料：
Aq com a a tenant in someone's house. a scattered network of killers a synthetic silklike fabric. a model of Stacklberg decision A hard struggle looms ahead. A gentle breeze was blowing. a recently enlisted soldier. a cholinergic agent or drug. a pedestrianized shopping area a high success/failure rate