英文说明文
2025-10-08
OurSickEarthOurmotherEarthissick;shehasfeverandiscoughingpollutedair!Why?Iti***ecauseofus ofman-kind.Allowmetoexplainthisinthreeects airpollution waterpollutionandlandpollution.Firstly onairpollution...
英语说明文
2025-10-06
Aneraserisanarticleofstationerythatisusedforremovingpencilmarkings.Erasershavearubberyconsistencyandareoftenpinkorwhite.Somepencilshaveaneraserononeend.Typicalerasersaremadefromsyntheticrubber...