1
a trefoil
The garden has a trefoil growing near the fence.
花园里靠近篱笆处长着一株车轴草。
三叶草；车轴草
trefoils — plural of trefoil
先理解核心含义，再看它在真实句子里的用法。
三叶草；车轴草
a plant of the genus Trifolium, such as clover
The garden has a trefoil growing near the fence.
花园里靠近篱笆处长着一株车轴草。
苜蓿属的几种旧大陆草本植物,具有小花和三叶复叶
any of several Old World herbs of the genus Medicago having small flowers and trifoliate compound leaves
三叶草属植物
a plant of the genus Trifolium
由三个弧形组成的圆形建筑装饰
an architectural ornament in the form of three arcs arranged in a circle
Trefoils grow wild in the meadow behind the farm.
三叶草野生生长在农场后面的草地上。
She put a small trefoil inside her diary to remember the trip.
她把一小棵三叶草夹在日记本里，以纪念这次旅行。
The trefoil in the front garden has bright green leaves.
前花园里的那棵三叶草长着鲜绿色的叶子。
The garden has a trefoil growing near the fence.
花园里靠近篱笆处长着一株车轴草。
trefoil 作定语，描述形状或图案。
The window features a trefoil design.
窗户上有一个三叶草图案。
The trefoil is a common motif in Gothic architecture.
三叶形是哥特式建筑中常见的装饰主题。
复数形式表示多个个体。
He collected several trefoils for his herbarium.
他为植物标本集采集了几棵车轴草。
Not this
He found a four-leaf trefoil.
Use this
He found a four-leaf clover.
trefoil 特指三叶的车轴草属植物，而四叶的幸运草通常指白三叶草 (clover)，两者属不同植物属，混淆了具体种类。
Not this
There are many trefoil in the field.
Use this
There are many trefoils in the field.
trefoil 是可数名词，复数形式为 trefoils，需要加 s 表示多个。
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