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
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
The face is the index of the mind (or heart).
相为心证。
the waters flow more quietly, and in the end, without any visible break,
河水流得平缓起来，最后连绵不断地