A number, often with three digits, assigned to a telephone area, as in the United States and Canada, and used when placing a call to that area.

区域电话，区域号码：如美国及加拿大，通常有三个阿拉伯数字的数码，分配给一个电话区，当向该区打电话时使用。

youdao

Voice activation is perfect for placing a call; opening the flip lid on a phone is probably the most effective way of answering it (or again using voice activation for hands-free use).

语音激活来打电话就非常理想，打开翻盖手机的盖子来接电话无疑也是最有效的接电话的方式之一，或者用语音激活免提功能。

youdao

If you're chatting on a landline call, you can answer an incoming cellphone call by placing the landline call on hold.

如果你正在接听固定电话来电，那么只要按保留键，就可以同时接听手机来电。

youdao

One or two gang members pulled out their cell phones and began placing a call.

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Will they get an image of themselves placing a video call on the screen, with a tiny image of themselves placing that call inside the original image of that call?

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In their presentation, Facebook engineers and Zuckerberg emphasized the simplicity of placing a video call.

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