1
use cornflour to thicken sth
cornflour 通常作不可数名词，复数形式 cornflours 很罕见。
Use cornflour to thicken the soup.
用玉米淀粉给汤增稠。
玉米淀粉
cornflours — plural of cornflour
先理解核心含义，再看它在真实句子里的用法。
玉米淀粉
cornflour
Use cornflour to thicken the soup.
用玉米淀粉给汤增稠。
由玉米磨成的用于烘焙和烹饪的粉
A flour for baking and cooking that is ground from corn (maize).
从玉米粒中提取的淀粉；用于烹饪中的增稠剂
starch prepared from the grains of corn; used in cooking as a thickener
Add cornflour to the sauce and stir until it thickens.
在酱汁里加入玉米淀粉并搅拌，直到它变稠。
This recipe uses cornflour instead of wheat flour to make the cake gluten-free.
这个食谱用玉米淀粉代替小麦面粉，让蛋糕不含麸质。
Mix a little cornflour with cold water before adding it to the soup.
先把少许玉米淀粉和冷水混合，再加到汤里。
cornflour 通常作不可数名词，复数形式 cornflours 很罕见。
Use cornflour to thicken the soup.
用玉米淀粉给汤增稠。
Mix cornflour with a little cold water before adding it to the pan.
先把玉米淀粉和少量冷水混合，再倒入锅中。
Dissolve the cornflour in the stock.
将玉米淀粉溶解在高汤里。
Not this
The recipe says to add three cornflours to the sauce.
Use this
The recipe says to add three spoonfuls of cornflour to the sauce.
cornflour 是不可数名词，不能直接加复数或数词；表示数量时应借助计量单位，如 spoonfuls。
Not this
To thicken the soup, you should cornflour it.
Use this
To thicken the soup, you should add cornflour to it.
cornflour 是名词，不能当动词用；表达“加玉米淀粉使其变稠”需要使用 add cornflour to 或 thicken with cornflour。
Not this
I used cornflour to make tortillas, but they were too sticky.
Use this
I used masa harina to make tortillas, but they were too sticky.
cornflour 在烹饪中通常指用作增稠剂的玉米淀粉，而制作玉米饼应用 masa harina（玉米糊粉）；混用会导致语义错误。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
玉米淀粉糊
Mix the cornflour paste into the simmering sauce.
将玉米淀粉糊拌入炖煮的酱汁中。
玉米淀粉浆
Add a cornflour slurry to thicken the soup.
加入玉米淀粉浆让汤变浓稠。
用玉米淀粉勾芡
Thicken the gravy with cornflour before serving.
上桌前用玉米淀粉给肉汁勾芡。
用水调开玉米淀粉
Mix the cornflour with water until smooth.
用水把玉米淀粉调至顺滑。
一汤匙玉米淀粉
Add a tablespoon of cornflour to the mixture.
在混合物中加入一汤匙玉米淀粉。
加入玉米淀粉
Add cornflour gradually to avoid lumps.
逐渐加入玉米淀粉以避免结块。
Use cornflours naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
corn（玉米）+flour（面粉）＝玉米淀粉，做菜勾芡就靠它。
语域：neutral 常见场景：cooking、recipes 该词多用于烹饪和食谱语境，指勾芡或增稠用的玉米淀粉；整体是中性日常用词，正式与非正式场合都较常见。
flour、flower、hour、sour、power 都以 /aʊə(r)/ 结尾，与 cornflour 的 -flour 部分押韵；其中 flour 和 flower 同音。pour 拼写上的 -our 容易误导，但它读 /pɔː(r)/，与这些词不押韵。
Dictionary facts from ECDICT, WIKTIONARY.