There are three basic types of tea.

有3种主要的茶。

《柯林斯英汉双解大词典》

There are three basic types of energy drinks

有三种基本类型的能量饮料

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DBC identifies three basic types of assertions.

DBC识别三种基本的断言类型。

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Unit investment trusts are one of three basic types of investment companies.

FORBES: Why Unit Investment Trusts Can Be A Good Investment Alternative

There are three basic attachment types: Secure, anxious and avoidant.

WSJ: What Makes People Overshare?

At this stage the structure, though still just a featureless ball of cells, has started to differentiate into the body's three basic cell types (known as endoderm, mesoderm and ectoderm).

ECONOMIST: An embryonic development