thick用作形容词时基本意思为“ 厚的、有...厚、浓密的、粘稠的、浑浊的、迟钝的、明显的、粗壮的、（字体）粗体的、（气味）浓烈的、沙哑的、口音重的、思路不清的、大量的”，那么其比较级和最高级形式是什么呢？

比较级：thicker

最高级：thickest

派生词：thickness 变浓；变厚

As a result, today many forests have thicker vegetation.

因此,今天许多森林有更厚的植被。

The sky was changing from translucent blue to thicker grey.

天空由通透的湛蓝色变成了暗灰色。

The fog became thicker still.

雾越发浓重了。

The dictionary is four times thicker than that book.

这本词典比那本书厚四倍。

I'd like to use the thickest dictionary on the shelf.

我想用书架上最厚的那本字典。

Thicker ink appearance, the cause of the past.

浓墨的外观，最易引起人对往事的追忆。

Thicker and fuller hair would make them more confident at work.

较浓密的头发能增加他们工作时的自信。

Here the crowd was thickest and most enthusiastic.

这里的人群最密集，热情也最高。

By far, the thickest oil we've seen yet.

这是目前为止我们看到的最厚的油层。

He had the thickest neck that she had ever seen.

她从来没见过他那么粗的脖子。

This material is so stiff that even the thickest needle won't come through it.

这布料很硬，甚至最粗的针都穿不过去。