单词	cross or pile
释义	cross or pile短语¹⁴⁴⁹⁷²⁺²钱
随便看	backward torque backward tracing backward tracking backward trajectory backward transfer backward transfer admittance backward transfer character backward transfer characteristic backward transfer character istic backward transfer characteristics backward-transfer signal backward transter character backward travel backward traveling wave backward travelling wave backward-travelling wave tube backward tree backward type backward underswing on horizontal bar backward uniqueness backward unlinkability backward unloading elevator backward urging advantage backward vane backward vaned fan