Jk
n. 工作, 作业；杰克（等于jack）
🗣️ 情景例句
Here it is.
在这里。
Each man is the architect of his own fate.
命运掌握在自己手中。
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，