点击下方单词,选择对的这个单词
点击下面链接下载与本句相关的学习资源,包括PDF教材和音频练习,方便课后复习:
1. prepare for sleep
e.g. I usually turn in at midnightHe goes to bed at the crack of dawn
Synonym: go to bedturn inbedcrawl inkip downhit the hayhit the sackgo to sleepretire
多通过句子记忆单词,而不是单独死记硬背。