U tubes
[醫] U形管
?? 詞語組成解析
n. 管子, 導管；管狀蟲；倫敦地鐵（tube的復數）
??? 情景例句
Please inform him that Chen Gang was calling.
麻煩你通知他陳剛來過電話。
Better wear out shoes than sheets.
寧可（經常運動）穿破鞋子，也不（因病長臥）磨破床單。
Sometimes it snows, and the land is all white. Then we go skating.
有時會下雪，地面白茫茫一片。那時我們就去滑冰。