1
a plant louse
通常用单数形式指单个蚜虫。
I saw a plant louse on the leaf.
我在叶子上看到了一只蚜虫。
蚜虫
plant lice — plural of plant louse
先理解核心含义，再看它在真实句子里的用法。
蚜虫
plant louse
I saw a plant louse on the leaf.
我在叶子上看到了一只蚜虫。
蚜虫
An aphid.
A single plant louse can quickly attract ants to your garden.
一只蚜虫就能很快把蚂蚁吸引到你的花园里。
We found several plant lice under the rose leaves.
我们在玫瑰花叶下发现了几只蚜虫。
If you see a plant louse on the stem, wash it off gently.
如果你在茎上看到蚜虫，就轻轻把它冲掉。
通常用单数形式指单个蚜虫。
I saw a plant louse on the leaf.
我在叶子上看到了一只蚜虫。
复数形式，表示多只蚜虫。
The garden is full of plant lice.
花园里满是蚜虫。
Ladybugs feed on plant lice.
瓢虫以蚜虫为食。
Not this
There are many plant louses on the roses.
Use this
There are many plant lice on the roses.
“plant louse”的复数形式是“plant lice”，不是“plant louses”。英语中“louse”的复数不规则变化为“lice”，因此“plant louse”的复数也应遵循此规则。
Not this
I saw plant louse on the leaf.
Use this
I saw a plant louse on the leaf.
“plant louse”是可数名词，单数形式前需加冠词“a”或“the”。漏掉冠词是常见错误，因为中文中可数名词可以不带量词。
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通常用单数形式，指蚜虫这类昆虫
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.