Check the expiration date on your passport.检查一下你护照上的截止日期。Period may be extended upon expiration ( through agreement ).通过协议可以延长期限.Your girlfriend's past her expiration date, and we're crazy?你的女朋友是个死人说我们疯了?...
你们的那些土里土气的教师就不过是退化了的传播者而已.Your native teachers are mere propagators of degeneracy.传播者、受传者和传播技巧都影响农业创新的传播效果.Agricultural innovation propagation effects are influenced by propagators acceptors and propagation skill.蚜虫是植物疾病...