... 一次拨款法 lump sum appropriation 二次拨号 two-stage dialing 二次拨号音 second dialing tone; secondary dial tone ...
基于2个网页-相关网页
二次拨号
Secondary dialing
以上为机器翻译结果，长、整句建议使用 人工翻译 。
当她第二次拨号时，才意识到没有拨号音。
It was only as she tried for the second time that she realized that there was no dialling tone.
《柯林斯英汉双解大词典》
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