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Definition 1 |
Definition 2 |
Example 1 |
Example 2 |
Example 3 |
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oak |
橡树 |
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oasis (n) |
绿洲 |
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oath (n) |
宣誓✊ |
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swear an oath / take an oath: 宣誓 |
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objection (n) |
反对 |
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obligatory (adj) |
必须的 |
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oblige (v) |
以法律/义务等强制 |
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obscure (adj) (v) |
无名的, 鲜为人知的, 难以理解的 |
使模糊, 使费解, 掩盖 |
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obsidian |
黑曜石 |
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obsolete (adj) |
淘汰的, 过时的, 过期的 |
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octopus (n) |
章鱼🐙 |
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omnivore (n) |
杂食动物 |
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omnivorous (adj) |
杂食的 |
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onset (n) |
开始, 开端 |
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Lots of bookstores have been closed with the onset of holiday. |
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opt-out (v) |
选择退出 |
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optical (adj) |
眼睛的 |
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optimal (adj) |
最好的, 最优的 |
最适宜的, 最理想的 |
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oratory |
演讲术 |
演讲能力 |
speak with oratory |
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orbit (n) |
轨道 |
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orchestra (n) |
管弦乐队 |
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ore |
矿石 |
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organism |
有机体 |
有机组织 (有且只有这一个意思) |
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orientation (n) |
基本方向 |
态度, 基本观点 |
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ornament (n) |
装饰, 装饰物 |
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ostrich (n) |
鸵鸟 (pl. ostriches) |
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outlying (adj) |
偏远的 |
远离市区的 |
Many colleagues go to work by bus from outlying suburbs. |
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outright (adv) |
完全地 |
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ovarian (adj) |
卵巢的 |
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ovarian cancer 卵巢癌 |
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overgrown (adj) |
杂草蔓生的 |
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overlap (v) |
重叠 |
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Their duties overlap. |
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overlie (v) |
叠加于 |
至于...上面 |
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oversee (v) |
监督, 监视 |
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oxidate (v) |
氧化 |
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oxidation (n) |
氧化(作用) |
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oyster (n) |
牡蛎🦪 |
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ozone (n) |
臭氧 |
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ozonosphere (n) |
臭氧层 |
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