?? 詞語組成解析
sir
[s?]
n. 先生;（用于姓名前）爵士;（中小學生對男教師的稱呼）先生;老師;
n. 馬太, 馬太福音
pl. 碎片
??? 情景例句
She's been having a fling.
她曾經風流放縱過。
How many slices are you going to use?
你要用幾片？
Travellers on short trips to areas with water supplies of uncertain quality should avoid drinking tapwater, or untreated water from any other source.
短途旅行到水質不保險的地區時，應避免飲用水龍頭的水或未經處理任何其他來源的水。