而且甲虫只攻击成熟的树木，昆虫学家杰西洛根指出年轻的树的作用根本不及成熟的树。
And while the beetles only attack mature trees, entomologist Jesse Logan argues that young trees can't do what the mature trees do.
为防止此类攻击，基于md5哈希的根证书和签名者证书不应受信任。
To guard against such an attack, root and signer certificates based on the MD5 hash should not be trusted.
疫霉菌攻击树木的根，更在连年干旱的情况下切断了它们供水。
The fungus attacks the roots of the trees, choking off a water supply that has been made scarce by successive years of drought.
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