缝隙 n. crack; gap; seam; break; leak; slit; interstice
balloon n. 气球；热气球。vi. (突然)膨胀，涨大；乘热气球飞行。adj. 气球状的
手续 n. procedure; formalities。
进行中 adj. underway。mix. on the march; have in hand; und
妹妹 n. younger sister; sister; sis。
换气充分 Adequate ventilation
illustrate v. 加插图于；说明，阐明；证明，证实
感觉 v. feel; sense; perceive; experience; be aware of。
总理 n. prime minister; premier; chancellor; Taoiseach
成语 n. idiom; set phrase; phrase。
嚼 v. chew; masticate; munch; chomp。n. chew; masticat
结果 n. result; outcome; ending; effect; consequence; p
升值 v. revalue; gain; climb; appreciate; strengthen。n.
lobby v. 游说（政治家或政府）n. 游说团体，活动集团；大堂，大厅；（旨在对政治家施
创始人 founder; initiator; originator; pioneer。