Like, they all create spores, single cells coated in a super tough, armor-like molecule that are an integral part of the bryophyte life cycle.

比，都会产生孢子，单细胞被一层超级坚硬的盔甲状分子包裹，这是苔藓植物生命周期中不可缺的一部分。

These lipids are pin shaped molecules whose heads are attracted to water, and tails are repulsed by it.

这些脂质是呈大头针状的分子，头部具有亲，尾部具有疏。

The engineers loaded these polymer-encased mRNA molecules into their turtle-shell pills, which were then swallowed by six mice.

工程师将这些聚合物包裹的mRNA分子装入龟壳状药片中，并让六只老鼠吞下。