scum n. 浮渣；泡沫；糟粕vi. 产生泡沫；被浮渣覆盖vt. 将浮渣去除掉
圣诞快乐 Merry Christmas。
equipment n. 设备，用具；（对某人或某物的）装备过程；（做某事应具备的）素质，才能
碰撞机 collider
拗 v. break; turn; bend; disobey; violate; hard to pr
comprehensive adj. 综合性的，全面的；有理解力的n. 综合中学；专业综合测验
啊 int. ah; oh; eh; wow; huh; coo; cripes; O; oho; oc
大纲 n. outline; syllabus; ground plan; compendium; pro
丧偶 v. be widowed; lose a spouse; become a widow; beco
拼接 v. join together; montage; put together; joint; jo
arrow n. 箭，矢；箭头，箭号【名】 （Arrow）（英）阿罗（人名）
忙里偷闲 idiom find time amidst a busy schedule; snatch a m
却之不恭 idiom impolite to refuse; refuse with regret; decl
distill vt. 提取；蒸馏；使滴下vi. 蒸馏；滴下；作为精华产生（等于 distil）
坟墓 n. grave; tomb; burial; sepulcher; sepulchre; grav