at twice短语⁴¹⁷²⁰ 基本例句 adv.分两次 It works at twice the speed of any computer now on the market. 它的速度比现在市场上的任何电脑都要快一倍。 hjenglish She wasn't ugly. She simply looked average— like any of ten million women you'd meet on the street and not glance at twice. 她并不丑，只是看起来很普通——如同街上遇到的却不会再次遇见的成千上万个妇女中的一个。 yeeyan Two copies are made, but not at twice the size. 建立两个拷贝，但是它们的大小并不一样。 ibm