Training wheels
= stabilizer (2)
?? 詞語組成解析
training
['tren??]
n. 訓練;培養;（槍炮，攝影機等的）瞄準;整枝法;
v. 訓練，培養( train的現在分詞);教育;瞄準;整枝;
n. 旋轉；車輪（wheel的復數）
??? 情景例句
They graduated from high school last year.
他們去年高中畢業。
Here's my credit card, just bill me.
這是信用卡，請記賬吧。
What bad weather! Are you going out?
天氣糟透了！你要外出嗎？