Nuclear superpowers
[法] 超级核大国
🧩 词语组成解析
n. 超级大国( superpower的复数形式 )
🗣️ 情景例句
People are busy shopping and wrapping presents for relatives and friends before Christmas Eve.
在圣诞节前夜，人们忙着为亲朋好友买东西、包礼物。
Do you want to change before the banquet?
宴会前你想换衣服吗？
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，