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eat watercress
watercress 作不可数名词，通常不加复数。
She likes to eat watercress in her sandwiches.
她喜欢在三明治里吃西洋菜。
水田芥；西洋菜
watercresses — plural of watercress
先理解核心含义，再看它在真实句子里的用法。
水田芥；西洋菜
any of several water-loving cresses
She likes to eat watercress in her sandwiches.
她喜欢在三明治里吃西洋菜。
一种多年生欧洲草本植物(Nasturtium officinale),生长在淡水溪流中；用于沙拉和装饰。
A perennial European herb, Nasturtium officinale, that grows in freshwater streams; used in salads and as a garnish.
几种喜水的水芹之一
any of several water-loving cresses
一种类似的植物,Nasturtium microphyllum。
A similar plant, Nasturtium microphyllum.
生长在清澈池塘和溪流中的水芹
cresses that grow in clear ponds and streams
I bought some fresh watercress at the market to make a salad.
我在市场买了一些新鲜西洋菜来做沙拉。
Add the watercress to the soup just before serving so it stays crisp.
上菜前把西洋菜加入汤里，这样它才能保持爽脆。
Watercress grows best in cool, clean running water.
西洋菜在凉爽、干净的流水中长得最好。
watercress 作不可数名词，通常不加复数。
She likes to eat watercress in her sandwiches.
她喜欢在三明治里吃西洋菜。
用 a bunch of 表示“一捆/一把”。
He bought a bunch of watercress at the market.
他在市场买了一捆西洋菜。
watercress 可直接修饰名词，作定语。
Watercress salad is a light and healthy dish.
西洋菜沙拉是一道清淡健康的菜。
Not this
I bought watercresses for the salad.
Use this
I bought watercress for the salad.
watercress（西洋菜）在指食物时是不可数名词，通常不用复数；不要把 -s 加在普通食物义上。
Not this
I made a soup of watercress.
Use this
I made a watercress soup.
英语里‘用某食材做的汤’常用名词定语结构，即把 watercress 放在 soup 前；‘soup of watercress’是按中文‘…的汤’直译，听起来不自然。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
西洋菜沙拉
I ordered a watercress salad with lemon dressing.
我点了一份加柠檬汁的西洋菜沙拉。
西洋菜汤
Watercress soup is a popular dish in Cantonese cuisine.
西洋菜汤是粤菜中常见的一道菜。
一把西洋菜
She bought a fresh bunch of watercress at the market.
她在市场买了一把新鲜的西洋菜。
新鲜西洋菜
The recipe calls for fresh watercress, not frozen.
这个食谱要求用新鲜西洋菜，而不是冷冻的。
用西洋菜点缀
The chef likes to garnish the dish with watercress.
厨师喜欢用西洋菜点缀这道菜。
西洋菜叶
Add a few watercress leaves to the sandwich for a peppery taste.
在三明治里加几片西洋菜叶，增添辛辣味。
Use watercresses naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“water（水）+ cress（芥菜）”，长在水里的芥菜，就是西洋菜（水田芥）。
语域：neutral 常见场景：cooking、grocery shopping、plant descriptions 该词是常见蔬菜/植物的名称，多用于日常烹饪、买菜和植物介绍等场景，语气通常中性，不正式也不俚俗。
以下单词与 watercress 的结尾 -cress /krɛs/ 发音相近：dress, press, stress, digress, caress 均押 /ɛs/ 韵。注意：crease 拼写相似，但读作 /kriːs/，与 watercress 不押韵。
Dictionary facts from ECDICT, WIKTIONARY.