n.气体处理；毒气攻击；吹嘘
She was always gassing about her twelve- year- old boy's skill in drawing. 她老是吹嘘她那十二岁男孩的绘画技能。
除气作用
n.去气；排气；抽气(电真空气件)；消除毒气
动词degas的现在分词形式.
