Alkylogen
烷基卤, 卤代烷
🗣️ 情景例句
I'd like to have your opinion.
我想听听你的意见。
I didn't read the whole paper, arts column.
我没有看到报纸的全部，我只是大概看了艺术版。
In 1929, three years after his flight over the North Pole, the American explorer, R.E.Byrd, successfully flew over the South Pole for the first time.
美国探险家 R。伯德在飞越北极3年之后，于1929年第一次飞越了南极。