a self-appointed custodian of public morals自封的公共道德的卫道士Augustine Hancock served as an elementary-school custodian for 20 years.奥古斯丁·汉考克当小学看管人20年了。He served as an elementary-school custodian for 20 years.他当小学管理员20年了。...
厘米是分米的 十分之一.或者说是米的百分之一.The centimeter is one - tenth of the decimeter or one - hundredth of the meter.把他们用包装纸装在一起, 需要多少平方分米包装纸?Them is in with wrapping paper dress together, need the number square decimeter of wrapping p...