Per os
[醫] 經口, 口服
?? 詞語組成解析
per
[p?:, p?]
prep. 由;（表示根據）依照;（表示比率）（尤指數量，價格，時間）每;
adv. 每次;每個;照常;按慣例;
adj. 高的，過的，全的;
n. 骨, 孔, 穴裂口\\n[計] 辦公系統, 操作系統
??? 情景例句
The village was filled with people--the weather was so nice.
鎮上擠滿了人--因為天氣好的緣故。
To shower
洗澡
Oh dear! Where can I go if I want to smoke a cigarette?
天啊！我該到什么地方吸煙呢？