to_call_upon_有道手机词典

1.From here, you can see there are four processors to call upon.
在此示例中，您可以看到有四个处理器可供调用。
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2.Of course, you may be reluctant to call upon a friend for help because you don’t want to admit you need it.
当然你可能会为向朋友寻求帮助而感到难为情，因为你不想承认你需要帮助。
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3.In this case, the owner was luckier than most. He had some 12, 000 followers on Twitter to call upon for help.
在这个事例中，失主比其他人幸运，他在微博上有大约1万两千个粉丝可以召唤来帮助自己。
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