Randolph's work was exclusively concerned with the effects of pollution on health.伦道夫的著作专门论述污染对健康的影响。The snowcoach concept in Yellowstone provides low-impact, low-pollution access.在黄石公园里使用雪车这一想法，为人们提供了一种对环境低影响、低污染的游...
你试音什么角色?Which part are you auditioning for?我去试音,可并不指望会给我个角色演出.I'm going to the audition but I don't expect I'll get a part.其后申请者将获通知试音日期.An applicant will then be notified of a day for audition....