u開頭的單詞用an

　　例句：

　　"Boredom could be an uncomfortable feeling," she said.

　　"無聊可能是一種不舒服的'感覺,"她說。

　　The decree put the president in an uncomfortable position.

　　這一判決使總統陷入了尷尬的處境中。

　　An ugly new building blocked the view from the window.

　　一座難看的大樓把窗外的景物遮住了。

　　It's not worth bothering with an umbrella ─ the car's just outside.

　　不必打傘——汽車就停在外面。

　　It was raining hard, and she hadn't an umbrella.

　　雨下得很大，但她沒有雨傘。