Primitive oral cavity
[醫] 初口
?? 詞語組成解析
primitive
['pr?m?t?v]
adj. 原始的;發展水平低的;落后的;[生物學]原生的;
n. 原始人;早期的藝術家（作品）;單純的人：不世故的人;自學的藝術家;
prim第一，主要+itive形容詞后綴 →原始的
oral
['?:r?l]
adj. 口頭的，口述的;口服的;屬于或關于嘴的;構成或使用言語的;
n. （尤指外語考試中的）口試;
??? 情景例句
Something's wrong.
有點不對勁。
When Alex began to argue, Richard burst into a rage.
當阿列克斯開始爭論時，理查德便大發雷霆。
However, he had at last been allowed to send a fax in which he informed the editor that the he had been arrested while counting the 1,084 steps leading to the fifteen-foot wall which surrounded the president's palace.
不過，他終于獲準發回了一份傳真。在傳真中他告訴編輯，就在他數通向15英尺高的總統府圍墻的1，084級臺階時，被抓了起來。