Swas
(swa 的復數) abbr. 可溶性成蟲抗原（soluble adult worm antigen）
??? 情景例句
How often do you go running?
你多久跑步鍛煉一次？
No. Don't be silly. I wouldn't dream of letting you do that.
不，別說傻話了。我絕不會想到讓你那樣做的。
That's all right.Goodbye.Enjoy yourself!
不用謝。再見。好好玩吧！