稀疏的英文：
few and far between
sparseness
sparsity

A sparse hedge
稀疏的树篱

This is called a rarefaction and is represented by widely spaced dots
这个区域称为稀疏区，并用疏散的小点表示。

The beautiful sparse shadows of the arching willows were like a picture etched on the lotus leaves
弯弯的杨柳的稀疏的倩影，象是画在荷叶上。

The meanders of a prattling brook, were shaded with straggling willows and alder trees
一条小河蜿蜒掩映在稀疏的柳树和桤树的树荫间，淙淙作响。

The trees are sparse.
树木稀疏。

This area is thinly populated.
此地人口稀疏。

He has a sparse beard.
他长着稀疏的胡子。

This is not only because of the sparsity of the fringe
这不仅是由于条纹稀疏。

The mountains are sparsely covered with shrubbery and trees
山上有稀疏的灌木和树覆盖。

Chronically sick pigs often suffer from a partial alopecia characterized by a thinning of the bristles
慢性病猪通常有局部脱毛，特点是鬃毛变稀疏。

Between ourselves
秘密地说

Interaction between systems or between properties of a system.
系统间或一个系统的各种特性之间的相互作用。

You have your choice between the two.
在这两个之中，你有选择权。

The trees are sparse.
树木稀疏。

It was sparsely wooded and desolate.
这里树木稀少，荒无人烟。

The data on Argentine incomes are sparse.
有关阿根廷国民收入的资料不多。