Prefocus
vt.使预先聚焦, 预先调节…的焦距
🗣️ 情景例句
Dad was a busy doctor,
爸爸是个很忙的医生，
We'll have to discuss about the total contract price.
我们不得不讨论一下合同的总价格问题。
How are you getting there? By train?
你准备怎样走？坐火车去吗？