地震是由两块地壳构造板块互相碰撞造成的。

Earthquakes are caused by two tectonic plates bumping into each other.

《牛津词典》

当一小块反物质击打天文台并与“正常”的物质相碰撞时，两个粒子都立即湮灭，并转变为伽马射线-费米就可以检测到它。

When a piece of antimatter strikes the observatory and collides with "normal" matter, both particles immediately annihilate and are transformed into gamma rays - which Fermi can detect.

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地震可能发生当二块板材碰撞。

Earthquakes can occur when two plates collide.

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