Primovolva
原核螺属
🗣️ 情景例句
You look very familiar. Have we been introduced before?
你看起来很面熟，我们以前互相介绍认识过吗？
We may be able to help you in some way.
我们也许能在某些方面帮助你。
It is all too easy to blame the railway authorities when something does go wrong.
因此，一旦铁路上真出了问题，人们便不加思索地责备铁路当局。