training wheels

短语

= stabilizer (2)

发音

UK /ˈtɹeɪnɪŋ wiːlz/
其它
US /ˈtreɪnɪŋ ˌ(h)wilz/

词形变化

only 复数

释义与例句

n.
  1. 1.

    Anything designed to make something easier for a novice.

    比喻 仅复数
  2. 2.

    plural of training wheel

词源

From training wheel + -s (suffix forming pluralia tantum and regular plurals of nouns).

来源：wiktionary