dil.a.ta.tion
n.（名词）
The act or process of expanding; dilation.膨胀：扩张的行为或过程；扩张法The condition of being expanded or stretched.扩大：扩大或延伸的状况A dilated formation or part.膨胀：膨胀的形状或部分Medicine The condition of being abnormally enlarged or dilated, as of an organ, an orifice, or a tubular structure:【医学】 扩张（症）：不正常扩大或扩张的情况，比如器官、体腔开口或管状结构的扩张：例句：dilatation of the stomach.Also called dilation 胃胀也作 dilation
Lengthy explanation or elaboration of a subject in writing or speech.铺张，评述：作品或讲话中长篇大论或某一论题的详尽阐述
【引伸】
dil.ata.tional
adj.（形容词）
