请输入您要查询的英文单词：
单词
retard
释义
retard
1
VERB
T
FORMAL
/rɪˈtɑːd/
to slow down or delay the development or progress of something 减缓；阻碍
Lack of protein may retard children’ s growth.
缺乏蛋白质可能会减缓孩子的发育。
DERIVED WORD
retardation
noun
U
/ˌriːtɑːˈdeɪʃn/