 美 
											[ʌn'θæŋkfəl]
										
													美 
											[ʌn'θæŋkfəl]
																 
										
							
																																	"ungrateful heirs"
																							"How sharper than a serpent's tooth it is / To have a thankless child!"
																															
Unconscious of events, and for escape Unthankful.
出自: R. C. Singleton
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