名词 实词
heroes
vocanoes
potatoes
tomatoes
means series 单复通行
advice fun progress word(消息) room(空间)
以s结尾的单数名词
名词所格??
recollection
hybrid of teosinte
on one's guard 小心;谨慎
acquaintance
in recognition of 对。。。肯定
accord=agreement
rugby team
alternative
replacement 替补
recession
submission
confession