An electronic telephone makes it possible for you to answer. two calls at the same time by switching back and forth between the two calls.
通过来回转换开关,电子电话使你有可能同时收听两个电话。
An electronic telephone makes it possible for you to answer. two calls at the same time by switching back and forth between the two calls.
通过来回转换开关,电子电话使你有可能同时收听两个电话。
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