引言：
枕头 pillow 和 柱子 pillar 这么像，对我的脑子很不友好~~
pillow /ˈpɪləʊ/
noun
1
枕头
a square or rectangular piece of cloth filled with soft material, used to rest your head on in bed
She lay back against the pillows.
她半躺半坐靠在枕头上。
pillow talk (= conversations in bed between lovers)
枕边细语
He lay back on the grass using his backpack as a pillow.
他用背袋当枕头仰卧在草地上。
verb
[VN] (literary) 枕着（某物）
to rest sth, especially your head, on an object
She lay on the grass, her head pillowed on her arms.
她头枕着胳膊躺在草地上。
pillar /ˈpɪlə(r)/
noun
1
柱子，桥墩（尤指兼作装饰的）
2
纪念柱
同义词： column
3
~ of sth
柱状物
a mass of sth that is shaped like a pillar
a pillar of smoke/rock
烟 / 石柱
4
~ of sth
台柱子；主心骨；中流砥柱
a strong supporter of sth; an important member of sth
a pillar of the Church
教会的骨干分子
a pillar of society
社会中坚
5
~ of sth
富有某种素质的人；某种素质的化身
a person who has a lot of a particular quality
She is a pillar of strength in a crisis.
她在危难中表现非常坚强。
6
（组织、制度、信仰等的）核心，基础，支柱
a basic part or feature of a system, organization, belief, etc.
the central pillar of this theory
这一理论的核心支柱
Thanks for reading~
