Electrocardioelectrode
心电电极
🗣️ 情景例句
Good. Then you'll be here about five?
很好。那么 大约在五点左右来。
Love all, trust a few, be false to none.
要爱一切人，相信少数人，不要负于任何人。
In 1953, a former electronics engineer in his fifties, Christopher Cockerell,who had turned to boat-building on the Norfolk Broads,
在1953年，有一位50多岁名叫克里斯托弗·科克雷尔的原电子工程师，改行在诺福克郡的湖泊地区从事造船业，