ADJ-GRADED
				(语言或文字)流畅的,熟练的;文笔好的
				If your speech, reading, or writing is fluent, you speak, read, or write easily, smoothly, and clearly with no mistakes.
例句
						He had emerged from being a hesitant and unsure candidate into a fluent debater.
						他从一个吞吞吐吐、缺乏自信的候选人成长为口若悬河的辩论者。