纸张背面的宇宙韵文在宇宙大学很受欢迎: the cosmic verse on the reverse of the paper is very welcome in universe university
捍卫: defend; guard; protect 短语和例子捍卫边疆 defend national frontier; 捍卫革命成果 safeguard the fruits of revolution; 捍卫国家主权 uphold state sovereignty; 他们不能阻挠我们捍卫工人的权利。 they couldn't prevent our defending
