n.[醫(yī)](放于人面部需通過(guò)擠壓來(lái)幫助呼吸的)氣囊；制袋材料
動(dòng)詞bag的現(xiàn)在分詞形式.
We had a good bag that day. 那天我們獵獲甚多。
He stuffed the apples into the bag. 他把蘋果塞進(jìn)袋子里。
She opened the bag of goodies. 她打開了那袋糖果。
Anyone seen carrying boxes, bags, or whatever, was stopped by the police. 誰(shuí)如果帶什么袋子、盒子什么的，被警察看見了都要被叫住。
