点击下方单词,选择对的这个单词
名词
保险
Social Security-(社会保险)
家庭
1. (外)祖母;奶奶;外婆Your grandmother is the mother of your father or mother.
1. the mother of your father or mother
Synonym: grandmagrannygranniegrannannanna
名词grandfather
多通过句子记忆单词,而不是单独死记硬背。