training wheels
名词 n.
英 /ˈtɹeɪnɪŋ wiːlz/
美 /ˈtreɪnɪŋ ˌ(h)wilz/
英文释义
名词 n.
-
Anything designed to make something easier for a novice.
— Kick off the training wheels, Corporal. He's good to go.
- plural of training wheel
词源
词源 1
From training wheel + -s (suffix forming pluralia tantum and regular plurals of nouns).
词源 2
From training wheel + -s (suffix forming pluralia tantum and regular plurals of nouns).
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数据来源: Wiktionary