O 开头单词

opossums n.负鼠；袋貂

opossum shrimp 糠虾

opossum rat

opossum (n.)

opossum n.负鼠；袋貂

opoponax n.防风根

opopanax n.一种芳香树脂

opomtion 运行

opiumize vt.用鸦片处理；用鸦片麻醉

opiumism n.鸦片中毒；鸦片瘾

opium-banning 禁烟

opium-alkaloid [医药科学]阿片生物碱

opium-addiction 鸦片瘾

opium trafficker [交通运输工程]私贩鸦片商

opium poppy n. [毒物][植] 罂粟

opium poppies

opium den

opium alkaloid [医药科学]阿片生物碱

opium addict

opium (n.)