1
the blackness of sth
表示‘某物的黑暗’，常与抽象或具体名词搭配。
The blackness of the cave was absolute.
洞穴的黑暗是绝对的。
黑；黑色
blacknesses — plural of blackness
先理解核心含义，再看它在真实句子里的用法。
黑；黑色
the quality or state of being black in color
The blackness of the cave was absolute.
洞穴的黑暗是绝对的。
黑色的状态或特质。
The state or quality of being black in colour.
这种颜色所弥漫的任何空间。
Any space that such colour pervades.
黑暗,阴郁；沮丧。
Darkness, gloominess; depression.
邪恶或阴郁的特质。
The quality of being evil or dismal.
She stood at the edge of the forest, gazing into the blackness where the trees seemed to swallow the light.
她站在森林边缘，凝视着树木似乎吞噬光线的黑暗之中。
When the power failed, the entire building was plunged into a sudden blackness that left everyone frozen.
停电时，整栋楼陷入一片突如其来的黑暗，所有人都愣住了。
The diver described the deep-sea cave as a place of absolute blackness, where you could not see even your own hand.
潜水员将深海洞穴描述为一个绝对黑暗的地方，在那里你甚至看不见自己的手。
表示‘某物的黑暗’，常与抽象或具体名词搭配。
The blackness of the cave was absolute.
洞穴的黑暗是绝对的。
表示‘在黑暗中’，可接 of 短语扩展。
He stumbled in the blackness.
他在黑暗中跌跌撞撞。
Not this
The sky was very blackness last night.
Use this
The sky was very black last night.
Blackness是名词，不能作表语形容词；应用形容词black描述颜色或黑暗程度。
Not this
There were many blacknesses in the painting.
Use this
There were many areas of blackness in the painting.
Blackness通常为不可数名词，不应用复数形式；表达多个黑色区域时需用areas of blackness等结构。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
漆黑一片
The tunnel was in pitch blackness, so we needed torches.
隧道里漆黑一片，我们需要手电筒。
深邃的黑暗
The deep blackness of the forest made her uneasy.
森林深邃的黑暗让她不安。
夜色漆黑
The blackness of the night made it hard to find the path.
夜色漆黑，小路很难辨认。
太空的漆黑
Astronauts describe the blackness of space as absolute.
宇航员形容太空的漆黑是绝对的。
在黑暗中
He heard a sound in the blackness ahead.
他听到前方黑暗中有声音。
Use blacknesses naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想black（黑）+名词后缀ness：深夜关灯后伸手不见五指的那种漆黑，就是blackness。
语域：mixed 常见场景：describing the colour black、literary writing about darkness、art and design contexts blackness 指“黑色/黑暗”时，日常描述颜色通常为中性，但在文学或正式描写中比较常见；实际语域会随搭配和语境变化。
通常不可数
Dictionary facts from ECDICT, WIKTIONARY.