“每日一词”
rock-a-bye
UKYour browser doesn't support HTML5 audio
/ˈrɒk.əˌbaɪ/USYour browser doesn't support HTML5 audio
/ˈrɑːk.əˌbaɪ/to rock a baby (= to move it backwards and forwards or from side to side in a regular way) to help it to sleep关于这个
MOUSE中文(简体)翻译：Cambridge Dictionary
