Respiratory tract
[醫(yī)] 呼吸道
?? 詞語組成解析
respiratory
['resp?r?'t?ri:]
adj. 呼吸的;
tract
[tr?kt]
n. 大片土地;（神經纖維的）束;小冊子;<古>一段時間，長時間;
??? 情景例句
Butter, nice and cold and hard.
牛油 新鮮又冷又硬。
Proverbs are short sentences drawn from long experience.
諺語言短簡，得自老經驗。
What bad weather! Are you going out?
天氣糟透了！你要外出嗎？