届时: when the time comes, at the scheduled time...
勒: to strap tightly, to bind...
世界: world...
树叶: tree leaves...
程度: degree (level or extent), level...
拥护: to endorse, to support...
公平: fair, impartial...
强制: to enforce, enforcement, forcibly, compulsory...
扩充: to expand...
罐: pot; jar; tin; can; pitcher...
