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Delonix regia is a [noun]
Delonix regia is a tropical tree.
凤凰木是一种热带树木。
凤凰木
先理解核心含义，再看它在真实句子里的用法。
凤凰木
royal poinciana; flame tree
Delonix regia is a tropical tree.
凤凰木是一种热带树木。
The Delonix regia in our garden bloomed bright red this summer.
我们花园里的凤凰木今年夏天开出了鲜红的花。
People often plant Delonix regia along city streets for its shade.
人们常在街道两旁种植凤凰木，因其树荫浓密。
A mature Delonix regia can cover a wide area with its spreading branches.
一棵成熟的凤凰木可以用其伸展的枝条覆盖很大一片区域。
Delonix regia is a tropical tree.
凤凰木是一种热带树木。
We planted Delonix regia in the garden.
我们在花园里种了凤凰木。
The flowers of Delonix regia are bright red.
凤凰木的花是鲜红色的。
Not this
A Delonix regia is my favorite tree.
Use this
Delonix regia is my favorite tree.
中文学习者在英语中常对物种学名误加不定冠词“a”，因为汉语可以说“一株凤凰木”。但英语中，学名作为专有名词通常不用冠词。
Not this
Delonix regias are beautiful.
Use this
Delonix regia is beautiful.
中文学习者可能误将学名“Delonix regia”按普通名词变为复数形式“regias”。实际上，学名不随数量变化，无论单复数都保持原形。
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