?? 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;
roger
['r?d??]
interj. 對!, 行!, 好!
n. 吉爾伯特（男子名）
n. (=banister)欄干
??? 情景例句
But I think he was nervous tonight.
但我想他今晚有點緊張。
There is a crook in the lot of everyone.
人生皆有不如意處。
Our next obstacle was a shallow pool of water about half a mile across.
下一個障礙是一片約半英里寬的淺水塘。