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(单词翻译)
Lesson Introduction
Emergencies may occur, and we need to be prepared! This English lesson will talk and teach us all
about first aid. Catherine and Marco will talk about concussions1, bleeding and even compound
fractures!
收听单词发音
1
concussions
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| n.震荡( concussion的名词复数 );脑震荡;冲击;震动 | |
参考例句: |
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