gain ground upon

• vt. 逼近(侵入)

gain ground upon的用法和样例：

例句

用作及物动词 (vt.)

1. The police car was gaining ground on the suspects.
   警车渐渐逼近犯罪嫌疑人。
2. They gained ground step by step.
   他们逐步逼近。