🗣️ 情景例句
You have been working on this for some time, Richard.
你从事这工作已有一段时间了， Richard。
There is a mole under the ground.
地下有一只鼹鼠。
Where're Lucy's pencils? Are they on her desk?
露茜的铅笔哪去了？在她的桌子上吗？