be annihilating something
进行时态，表示动作正在进行。
The virus is annihilating entire populations.
病毒正在毁灭整个人群。
彻底消灭；废止；摧毁
先理解核心含义，再看它在真实句子里的用法。
彻底消灭；废止；摧毁
present participle of annihilate: to destroy completely; to abolish; to wipe out
一般现在时
The bomb annihilates everything in its path.
炸弹摧毁它路径上的一切。
一般过去时
The army annihilated the enemy forces.
军队消灭了敌军。
现在完成时
The disease has annihilated the population.
这种疾病已经消灭了人口。
规则动词
The fire is annihilating the ancient forest at an alarming rate.
大火正以惊人的速度摧毁着古老的森林。
用法提示：annihilating 是动词annihilate的现在分词，与is构成现在进行时，表示正在进行的彻底摧毁。
The new drug is annihilating cancer cells without harming healthy tissue.
这种新药正在消灭癌细胞而不伤害健康组织。
用法提示：annihilating 作为现在分词与is构成现在进行时，强调药物正在完全消灭癌细胞。
The team's aggressive strategy is annihilating the opposition's defense.
这支队伍激进的策略正在摧毁对手的防线。
用法提示：annihilating 是动词annihilate的现在分词，与is连用表示正在进行的彻底破坏。
进行时态，表示动作正在进行。
The virus is annihilating entire populations.
病毒正在毁灭整个人群。
by + 动名词，表示方式。
He achieved victory by annihilating his opponents.
他通过消灭对手取得了胜利。
accuse...of + 动名词
They accused the company of annihilating local businesses.
他们指责该公司消灭了当地企业。
grammar · medium
易错句子The army annihilating the enemy forces.
正确表达The army annihilated the enemy forces.
在英语中，动词的-ing形式不能单独作谓语，而应使用过去式表示过去发生的动作。‘annihilating’是现在分词，需要改为过去式‘annihilated’。
grammar · medium
易错句子We must annihilating all obstacles.
正确表达We must annihilate all obstacles.
情态动词（如must）后应接动词原形，而非现在分词。‘annihilating’需改为动词原形‘annihilate’。
annihilating 强调彻底消灭至无，destroy 侧重物理破坏，未必完全消失
annihilating 语气更强，指彻底根除，eliminate 偏重移除或淘汰，常用于抽象或竞争语境
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