Training wheel
辅助轮
🧩 词语组成解析
training
['trenɪŋ]
n. 训练;培养;（枪炮，摄影机等的）瞄准;整枝法;
v. 训练，培养( train的现在分词);教育;瞄准;整枝;
wheel
[wil]
n. 轮子;旋转;Wheels 汽车;有…轮子的汽车（或自行车等）;
vi. 转动，旋转;突然转变方向;
vt. 推;拉（车）;使变换方向;（使）迅速转身;
🗣️ 情景例句
Is a letter of credit OK?
用信用卡可以吗？
I'd say yor're about twenty-three.
我猜你大约23岁。
I'd like to know something about your foreign trade policy.
我非常想了解有关贵国对外贸易的政策。