Cpap
呼吸道持續正壓
??? 情景例句
Please try to keep relaxed, sir.
別太緊張，先生。
John and I are old friends.
我和約翰是老朋友了。
I bought two expensive dictionaries here half and hour ago, but I forgot to take them with me.
半小時以前我在這里買了兩本很貴的辭典，但是我忘了拿走。