Diachronous
[地质]年序堆积层
🗣️ 情景例句
I made another lunch date for today
我和别人约好共进午餐，，
Skiing is such a challenging sport!
滑雪是非常有挑战性的运动！
They will also be building new roads and a special railway line.
他们还将修筑一些新的道路和一条铁路专线。