• n. 平行线；对比
• vt. 使…与…平行
• adj. 平行的；类似的，相同的

来自希腊语parallelos,并列，平行，para-,在旁，在周围，-allel,改变，另外的，词源同else,alternate.即在旁边的另外一条，引申词义平行的，并列的。

parallel

parallel: [16] Etymologically, parallel simply means ‘beside each other’. It comes via French parallèle and Latin parallēlus from Greek parállēlos. This was a compound formed from pará ‘beside’ and allélōn ‘each other’, a derivative of állos ‘other’ (to which English else is distantly related).
=> else

parallel (adj.)

1540s, from Middle French parallèle (16c.) and directly from Latin parallelus, from Greek parallelos "parallel," from para allelois "beside one another," from para- "beside" (see para- (1)) + allelois "each other," from allos "other" (see alias (adv.)). As a noun from 1550s. Parallel bars as gymnastics apparatus are recorded from 1868.

parallel (v.)

1590s, from parallel (n.).

1. Parallel lines will never meet no matter how far extended.

无论延伸多长，平行线永不相交。

来自柯林斯例句

2. Farthing Lane's just above the High Street and parallel with it.

法辛巷刚好在大街的北面，与大街平行。

来自柯林斯例句

3. Do the emotions develop in parallel with the intellect?

情感与智力是并行发展的吗？

来自柯林斯例句

4. This is a real world, running parallel to our own.

这是个真实的世界，与我们的世界并存。

来自柯林斯例句

5. It's an ecological disaster with no parallel anywhere else in the world.

这是一场在世界其他地方都没有出现过的生态灾难。

来自柯林斯例句