Perfectiveness
完成时\\n完成式
🗣️ 情景例句
And if I think about it long enough, you never know ...
如果我一直考虑下去的话 ，说不定……
Can you keep an eye on the baby while I go shopping?
你能否在我上街买东西的时照看一下孩子？
a lorry arrived at the factory with a truly colossal biscuit which weighed 2,400 pounds.
一辆卡车驶进了工厂，运来了一个特大无比、重达2，400磅的饼干。