escalated
v.
（使）逐步升级( escalate的过去式和过去分词 );
（使）逐步扩大;
（使）更高;
（使）更大;
例句:
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I escalated to the dizzy heights of director's secretary.
我升到了总经理秘书这一显赫高位。
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The protests escalated into five days of rioting.
抗议升级为为期5天的骚乱。
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The fighting escalated into a full-scale war.
这场交战逐步扩大为全面战争。
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Violence in the north has escalated in recent weeks.
来自VOA
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The incident has sharply escalated tensions on the peninsula.
来自VOA
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So we started from there really and it just escalated.
来自VOA