Disphenoid
复正方楔; 双半面晶形
🗣️ 情景例句
And the price is right.
而且价格也合适。
Let's call it a day.
我们今天就到这儿吧。
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，