Odontoceramics
瓷牙的
🗣️ 情景例句
Yes, Alexandra.
对， Alexandra。
Are you going anywhere?
你打算上哪儿去玩？
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，