1. 體積描記圖由體積描記器作出的記錄或軌跡
   A record or tracing produced by a plethysmograph.
2. 偏離地偏離慣常或預(yù)期的軌跡地
   Off the usual or desired track.
3. 回旋輪在游樂場中乘坐的，一串沿著一橢圓形軌跡運(yùn)動的快速、突轉(zhuǎn)的小車
   A ride in an amusement park, consisting of small cars that move in a rapid, whipping motion along an oval track.
4. 搜索，探測探測跟蹤一衛(wèi)星、導(dǎo)彈或移動的目標(biāo)以確定其位置和軌跡
   The process of locating a satellite, guided missile, or moving target so that its track or orbit can be determined.

軌的英語翻譯：

跡的英語翻譯：