1
a teacup of [uncountable noun]
teacup 可作量词，表示“一茶杯之量”。
Add a teacup of rice to the pot.
往锅里加一茶杯米。
一茶杯之量；满茶杯
先理解核心含义，再看它在真实句子里的用法。
一茶杯之量；满茶杯
the amount that a teacup can hold
Add a teacup of rice to the pot.
往锅里加一茶杯米。
此处指容量，不是茶杯本身
小茶杯,通常有把手,用于喝茶,常置于茶碟上,作为茶具的一部分。
A small cup, usually with a handle, commonly used for drinking tea; normally sits in a saucer as part of a tea set.
一茶杯的容量
as much as a teacup will hold
计量单位；一茶杯的容量。
A unit of measure; a teacupful.
用来喝茶的杯子
a cup from which tea is drunk
She added a teacup of milk to the soup.
她往汤里加了一茶杯牛奶。
The recipe asks for two teacups of flour.
食谱需要两茶杯面粉。
He drank a teacup of hot tea every morning.
他每天早上喝一茶杯热茶。
teacup 可作量词，表示“一茶杯之量”。
Add a teacup of rice to the pot.
往锅里加一茶杯米。
teacup 是可数名词，复数形式直接加 -s。
There were four teacups on the tray.
托盘上有四只茶杯。
Not this
I bought teacup yesterday.
Use this
I bought a teacup yesterday.
teacup 是可数名词，单数形式不能单独使用，第一次提到一个茶杯时前面需要加冠词 a。汉语没有冠词，所以学习者容易漏掉 a。
Not this
There are two teacup on the table.
Use this
There are two teacups on the table.
two 后的可数名词必须用复数，teacup 的复数是 teacups。汉语名词没有单复数变化，所以容易漏掉词尾 -s。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
一茶杯的量
She added a teacup of milk to the batter.
她往面糊里加了一茶杯牛奶。
半茶杯的量
The recipe requires half a teacup of butter.
这个食谱需要半茶杯黄油。
茶杯和茶碟
He bought a beautiful teacup and saucer for his mother.
他给母亲买了一套漂亮的茶杯和茶碟。
小题大做；茶杯里的风波
Their argument about the budget was just a storm in a teacup.
他们关于预算的争执只是小题大做。
小题大做；大惊小怪
They argued for an hour, but it was just a storm in a teacup.
他们吵了一个小时，但这不过是小题大做。
这是小题大做。
Their argument over the broken cup was just a storm in a teacup.
他们因为一个破杯子的争吵只是小题大做。
发长 /iː/ 音 (如 sea, tea)
Same pattern, same sound
Use teacup naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
构成：tea（茶）+ cup（杯），记忆成“一杯茶”=茶杯，也指满杯的量。
语域：neutral 常见场景：日常对话、烹饪与食谱 该词在表示“一茶杯之量”时属于中性日常用语，通常用于非正式交谈或食谱中，正式写作中较少见。
发音提示：这些词中，只有末尾的 -cup 部分能和 teacup 的 /ˌkʌp/ 对应：cup、buttercup、hiccup 都以 /kʌp/ 结尾；cupboard 拼作 cup- 但读 /ˈkʌbərd/，p 不发音，完全不像；teapot 和 tea 与 teacup 共享 tea- 的拼写和 /tiː/ 音，但结尾不相同。
Dictionary facts from ECDICT, WIKTIONARY.
Watch the sound change