latch onto
释义
抓住，紧紧抓住：指紧紧抓住某物或某人，不放松。
理解，领会：指理解、领会某个概念、观点或信息。
例句
1·These are substances which specifically latch onto the protein on the cell membrane.
这些是专门黏附在细胞膜蛋白质上的物质。
《柯林斯英汉双解大词典》
2·They latch onto a very small one and spread like a virus.
它们只需要能够到处的传播就像一个小小的病毒那样就可以了。
3·She looked for something to latch onto and keep from falling.
她寻找东西抓住，以免跌倒。
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