trait
单词辨析：
普通用词，指有形或无形的特性，也可指个性或共性的特征。
She has a childlike quality.
她有着孩子般的天真特质。
One quality of wood is that it can burn.
木材的一个特性是可以燃烧。
He is studying the physical and chemical qualities of the metal.
他在研究该金属的物理和化学特性。
指某人或某物特有的性质或属性，尤指好的、有用的特质。
What attributes should a good leader possess?
一名优秀的领导者应具备哪些素质？
Jake has all the attributes of a first-class athlete.
杰克拥有一流运动员应具备的所有特质。
指有别于其他人或事物的典型的、特殊的、本质的特性或特征，含易于辨认之意，通常用复数。
These two groups of patients have quite different characteristics.
这两组患者具有截然不同的特点。
His predominant characteristic is honesty.
他最为突出的特点是诚实。
The physical characteristics of objects should also be taken into account.
物体的物理特征也应考虑进去。
It is one of their distinguishing characteristics.
这是他们与众不同的特征之一。
指引人注目的显著特征或细节，多用于说明人或事物的主要特征，也可用于说明地理特征等。
This is a key feature of our community college.
这是我们社区大学的一个主要特点。
Her eyes are her best feature.
眼睛是她五官中最好看的部位。
The most distinguishing feature of Korean food is the spiciness.
韩国食物最显著的特点就是味道辛辣。
What are the important features of the landscape in Holland?
荷兰重要的景观风貌是什么？
指地方、人、情况等的独特之处。
The lack of a written constitution is a peculiarity of the country.
没有一部成文宪法是该国的一大特点。
Pouches are a peculiarity of marsupials.
生有育儿袋是有袋动物的一个特点。
多指同类事物所共有的特性，通常用复数。
Let's compare the physical properties of the two substances.
我们来比较一下这两种物质的物理特性。
This container has good heat-retaining properties.
这种容器保温性能很好。
多指人的性格或性情特征，尤指先天的性格特征。
genetic traits
遗传的性格特征
His two most pleasing traits are generosity and amiability.
他最讨人喜欢的两大个性特点是慷慨与和蔼可亲。
The medical research was based on particular personality traits.
该医学研究以某些性格特征为基础。
相关例句：
The amber eyes are also an unusual and distinguishing trait of the American Creams.
琥珀色的眼睛也一个不寻常的美国膏和显着的特征。
They found that the personality trait of extroversion was associated with increased expression of genes promoting inflammation.
他们发现，外向型的性格特征是与更高的促炎基因表达水平联系在一起的。
Like genes associated with a particular trait.
就像基因和人的特征有联系一样。
Aggression is by no means a male-only trait.
好斗性绝非男性才具有的特征。
We examined three families and suggest that it has an autosomal dominant trait with incomplete penetrance.
我们研究了三个家庭，并表明，它有一种常染色体显性不完全外显。
Trait and structure as well as principle of a diesel engine exhaust particulate-trap and noise-silence system was introduced.
介绍了柴油机排气微粒收集消声装置的特点、结构、工作原理和设计过程。