Bifocus
双焦点
🗣️ 情景例句
I've never been to the aquarium
我从来没有去过水族馆
After a successful career in business,he was appointed ambassador.
在生意的成功以后，他被指定为大使。
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。