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doorbell造句
91. Whenever he has registered letters for us, he will ring the doorbell. 92. Here a single chip design with electronic music doorbell, just AT89C51 microcomputer system, together with a small LM386 audio amplifier to do the output to the speaker. 93. Start boiling water for pasta, go answer the doorbell and - whoosh - all thoughts of boiling water disappear. 94. Have her imitate the sounds of mechanical objects such as the doorbell, or the ringing of the phone, or the "vroom" of a car engine. 95. So the accounting went back to house reading, but only after a 15-minute stonemason rang the doorbell on.