ADJ-GRADED
				难忘的
				If you describe something as unforgettable, you mean that it is, for example, extremely beautiful, enjoyable, or unusual, so that you remember it for a long time. You can also refer to extremely unpleasant things as unforgettable .
例句
						A visit to the Museum is an unforgettable experience...
						参观博物馆是一段令人难忘的经历。
						A bright shooting star, or meteor, is an unforgettable sight.
						明亮的流星,或者说陨石,是番难忘的景象。