将此添加到您的函数中。php文件。这是未经测试的，但应该有效：）

add_filter( \'the_content\', \'italicize_latin_names\' ); 

function italicize_latin_names( $content ) {
    // Split up the content into an array of single words
    $words = explode( \' \', $content );

    // Loop through each of those words
    foreach( $words as $key => $value ){   
        // If a word equals \'R.\', add an <i> before it, and a </i> after the following word
        if($words[$key] == \'R.\' ){   
            $words[$key] = \'<i>\' + $pieces[$key];
            $words[$key+1] = $words[$key+1] + \'</i>\';
        }
    }

    // Put all of the pieces back together
    return implode( \'\', $words );
}