Another type of block replaced clay bricks in the late 20th century. It was the Cinder block, made mostly with concrete.

在20世纪晚期，另一种块材取代了粘土砖，这就是所谓的煤渣砌块，它们大都由混凝土制成。

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One mystery yet to be solved is why people with Syndrome X have smaller particles of low density lipids, the type of cholesterol most likely to block arteries.

FORBES: The Unknown Epidemic

If this approach fails, you can always just block the offending type of communication.

WSJ: Ground Rules for Digital Communication With Friends and Family

Experiments with block printing eventually led to the invention of moveable type and finally another highly significant Medieval innovation: the printing press.

FORBES: What Are Examples of Things in the "Common Knowledge" about History That Historians Almost Universally Consider Incorrect?