This is a laser particle analyzer, and it tracks the distribution curve of our grounds that we'll be sampling today.

这是一个激光粒子分析仪，它跟踪了我们今天要采样的场地的分布曲线。

The track curved round the side of the hill.

【curve】小路弯弯曲曲，依山而行。

The flattened dunes of its track curved once—a short loop crossing the patch of desert where they had abandoned their wrecked ornithopter.

它跑道上平坦的沙丘弯了一次——一个短的环路穿过那片他们放弃了失事的扑翼机的沙漠。