他突然闯入会议室打断了我们的讨论。

His sudden ___intrusion into the meeting room interrupted our discussion.

他突然的来电打扰了我安静的下午茶时光。

His unexpected call was an ___intrusion on my peaceful afternoon tea.

这块花岗岩是由岩浆侵入周围的岩石形成的。

This granite was formed by the ___intrusion of magma into surrounding rocks.