林四小演讲稿李子萱世界地球日小李子联合国演讲：附语言点精析onearthday，175worldleadersmetattheunitednationstosigntheparisagreement，ahistoricpacttocurbthecarbonemissionsbehindclimatechange.severalspeakerskickedofftheceremonybydescribingwhat'satstake，culminatingwithanu...

时间:2024-11-14 01:48栏目:演讲稿