英语语法分析

It involves a series of HTML-like tags arranged in a treelike structure.

它包括一系列类似HTML的标记，并以树型结构来对这些标记进行排列。

Composed of filaments or plates of cells, a thallus ranges in size from a single-celled structure to a complex treelike form.

原植体为丝状或片状，大小不一，小的仅数个细胞，大的形态复杂如树状。

Rivers were wide and shallow until the evolution of treelike plants, which got the waterways into line. Christopher Intagliata reports.

河流曾经宽而浅地流淌，直到自然进化出的树状植被才将它们变成线状，克里斯多夫·因塔利亚塔报导。