better ['betə]
a.形容词well的比较级
certainly ['sə:tənli]
ad.当然
get up [get ʌp]
起床
yet [jet]
ad.还，仍
rich [ritʃ]
a.油腻的
food [fu:d]
n.食物
remain [ri'mein]
v.保持，继续
词根记忆：re（一再）+main（留）→余留，剩余
