重要
noun [集合/集体]七十；七十个；七十岁；七十年代
I thought it was a long way to go for two people in their seventies, but Sylvia loved the idea.
我认为对于两个七十多岁的人来说这是一段很长的路，但是西尔维娅却喜欢这个主意。
adjective [原级]七十的；七十个的；七十岁的
In the late Seventies, things had to be new, modern, revolutionary.
在20世纪70年代末，一切都得新奇、现代、有创意。
numeral [基数词]七十
Seventy people were killed.
70人丧生。
- seventy 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 129&130 Seventy miles an hour
- Episode 2 The Blind Date ACT I
- Episode 16 Full of Surprises ACT II
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