keep on with继续; 例如Keep on talking with each other in English one or two hours everyday. The couple keep on disturbing me with their problems....
twins名词所有格是the twins; twins n.孪生儿之一;双胞胎之一;一对相像的事物之一; v.使结成姊妹城市;使结成友好地区;使(两人或两事物)紧密结合;使耦合;使...
水利万物而不争,
而万物莫能与之争。