adj. diadelphous
第二群体指的是两个或两个以上的人,他们处于一种非个人的关系中,因一个特定的、实际的目的走到一起。
A secondary group entails two or more people who are involved in an impersonal relationship and have come together for a specific, practical purpose.
这是二甲醚的结构异构体。
这是一种性别决定的方法,叫做单倍二倍体。
This is a method of sex determination known as haplodiploidy.
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