Unadvanced
a. 不先进的
🗣️ 情景例句
We talk about him at dinner time.
我们吃晚餐时总谈起他。
If he doesn't, will you fix it?
如果他不，你会修理它吗？
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，