Neospirifer
新石燕贝属
🗣️ 情景例句
I'm not getting on very fast with this job.
我这份工作进展不快。
We are of the same mind, so let us act quickly.
我们心意一致，所以及早行动吧。
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。