oak
n.橡树,橡木
oath
n. 诅咒;怒骂
obedient
n.服从的,顺从的
obscene
adj.淫秽的
obscure
a.暗淡的;模糊的;不出名的 vt.使黑暗
odor
n. 气味
odour
n.气味,香气;味道
offset
n.分支;抵销;补偿 vt.弥补,抵销
offspring
n.儿女,子孙,后代
olive
n.橄榄;橄榄绿 a.橄榄的,橄榄色的
opaque
a.不透明的;不传导的
oppress
vt.压迫;压抑
optimism
a.乐观,乐观主义
optimum
n.最适条件,最佳效果,最优化
orient
n.亚洲,远东 vt.定的方位
oriental
a.东方国家的,东方的 n.东方人
orientation
n.定位,定向;倾向性
originate
vt.创始;引起,产生 vi.起源
ornament
n.装饰,装饰品 vt.装饰
orthodox
a.正统的,传统的
outbreak
n.爆发
outfit
n.全套装备;全套服装
outrage
vt.激起的义愤 n.义愤;暴行
overflow
v.溢出;涌出 n.泛滥;过剩;超出额
overhear
vt.偶然听到;偷听
overlap
n.重迭 v.重叠
overpass
n. 天桥,陆桥
overt
adj.公开的、非秘密的
overthrow
vt.推翻,打倒 n.推翻,打倒
overturn
vt.打翻;推翻,颠覆
overwhelm
vt.淹没;压倒
overwhelming
a.压倒的,势不可挡的
owl
n.猫头鹰
oxide
n.氧化物
ozone
n.臭氧;新鲜空气
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