gain用作不及物動(dòng)詞時(shí)后接介詞in表示“在某方面有所增長(zhǎng)”; 后接介詞on或upon表示“接近,勝過或趕上”。

　　His books have gained in popularity in recent years.

　　近年來他的書越來越受歡迎。

　　The country gained its independence ten years ago.

　　這個(gè)國(guó)家十年前贏得了獨(dú)立。

　　My watch gains two minutes every 24 hours.

　　我的表每24小時(shí)快兩分鐘。

　　Her novels have gained in popularity over recent years.

　　近年來她的小說漸受歡迎。

　　Students gain college credits which count towards their degree.

　　學(xué)生獲得的學(xué)分將計(jì)入其學(xué)位積分。