 美
										
													美 
																 
										
							
																																	"his ad-lib comments showed poor judgment"
																							"an extemporaneous piano recital"
																							"an extemporary lecture"
																							"an extempore skit"
																							"an impromptu speech"
																							"offhand excuses"
																							"trying to sound offhanded and reassuring"
																							"an off-the-cuff toast"
																							"a few unrehearsed comments"
																															
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌