English [s?b] US ????[s?b]

n.submarine; ??, ???

vi. 3?? ??: subs ??: subs ?? ??: subbed ?? ??: subbed ?? ??: subbed

?????? ??() ??? ???

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??: ??stringObject.sub()

?????? ??() ??? ?

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script type="text/javascript">

    var str="Hello world!"
    document.write(str.sub())

</script>

</body>
</html>

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