to focus

• 调焦

to focus的用法和样例：

例句

1. The coordinated turning of the eyes inward to focus on an object at close range.
   会聚眼睛向内的协调转动，从而聚焦在近处的某物体上
2. He was too shortsighted to focus on the object.
   他由于近视过深而无法把视力焦点对准在该物体上。