换气充分 Adequate ventilation
ache vi. 疼痛;渴望;隐痛。n. (身体某部位的)疼痛。v. (隐隐地、持续地)疼
beams n. 梁,横梁;光线,光柱;喜色,笑容(beam 的复数);(Beams)(英)
accident n. (交通)事故;意外;偶然的事;不测事件;意外遭遇。n. 交通事故,车祸;(
dominate v. 统治,支配;在……中占首要地位;俯视,高耸于;占绝对优势
教程 n. course of study; tutorial; course。
窥 v. peep; spy; see; look; watch; spy on; pry about;
匙 n. spoon; cochleare; scoop; spoonful;; key。
却 conj. but; yet; however; nevertheless; nonetheless
干燥剂 drier; drying agent; desiccant; desiccating agent
illustrate v. 加插图于;说明,阐明;证明,证实
实施 v. implement; realize; conduct; exact; enforce; ex
优哉游哉 idiom at ease; leisurely; carefree; unhurried; in
negative adj. 有害的,负面的;悲观的,消极的;否定的,拒绝的;否定式的;(结果)阴性
信箱 n. letterbox; mailbox; postbox; letter box; post-o