They also bear a close resemblance to raccoon feces so I wisely adopted a" no touching tektites" policy.

它们长得跟浣熊粪便很像，所以我机智地定了一个“不碰熔融石”规定。

We searched for tektites in a nearby ravine.

我们在附近的峡谷找熔融石。

Tektites are natural glass formed during meteorite impacts.

玻陨石就是在陨石撞击时形成的天然玻璃。