Sightseers may be a little overwhelmed by the crowds and noise.拥挤的人群和喧闹的噪音可能会让游客有些茫然不知所措。Sightseers arrived from all points of the compass.观光者来自四面八方。Curious sightseers rolled up in their hundreds.数以百计的好奇的观光客都涌到那儿....
He was an understudy to Charlie Chaplin on a tour of the USA.他是查理·卓别麟美国巡演期间的替角儿。The understudy was substituted when the leading actor fell ill.主角演员患病,由替角代替演出.The understudy is substituted when the leading actor falls ill...
Vast tracts of the country are wild and undeveloped...乡间大片大片的荒地尚未开发。Each sequence is made of transgressive system tracts and highstand system tracts.认为娄山关组由7个三级层序组成,层序界面为古岩溶不整合面或暴露带,每个层序都由海进体系域和高水位体系域构成.Large tracts of w...