comets

The earth crosses the tracks of certain comets.

地球穿过某些轨迹线。

Recently they have discovered a comet.

最近他发现了一颗。

Did you ever see a comet?

你看见过吗?

The comet will (not shall ) return in 87 years.

那将（不用 shall ) 在87年后返回。

The appearance of a comet caused universal dismay in the ancient world.

在古代，现引起普遍恐慌。

The population will keep going up if there is no murrain or no interference between the earth and comet.

在不发生瘟疫】战争和地球不和发生碰撞情况下，类口将会迅速发展。

"Selective Breeding has produced more than 125 Breeds, including the veiltail, with a three-lobed, flowing tail, and the common, pet-shop comet. "

择和培育不正常个体,已经育成125个以上金鱼品种,包括常见具三叶拂尾纱翅、戴绒帽狮子头以及眼睛突且向上望天。

If you look over the element ratios we measured, you might conclude that our comet particles look more like chondritic porous IDPs than CI chondrite meteorites.

如果你查看我测定元素比率，你将得结论——我颗粒看上去更接近多孔球粒陨石IDPs而不是CI球粒陨石。