Paraballoon
充气天线
🗣️ 情景例句
Can I call you sometime?
我能给你打电话吗？
I'm crazy about English.
我非常喜欢英语。
Although mankind has undergone no general improvement in intelligence or morality, it has made extraordinary progress in the accumulation of knowledge.
虽然人类有智力和道德上没有得到普遍提高，但在知识积累方面却取得了巨大的进步。