1.feed on 喂養(yǎng)

Can enlightened man feed on the fruits of enlightened innovation?
已啟蒙的人可以以啟蒙創(chuàng)新的果實為食嗎？

Vampire bats feed on the blood of large birds, cattle, horses and pigs.
吸血蝙蝠以大型鳥類，牛，馬以及豬的血液為食。

2.subject to 受制于,易于

Already americans are subject to de-facto capital controls.
如今美國已經(jīng)受到變相的資本控制。

The advance estimate is subject to two revisions in coming months.
這個預先估計在未來的幾個月中需要受到兩次修訂。

3.come up 發(fā)生；上來；提到

A new problem had come up.
發(fā)生了一個新的問題。

Two-headed monsters or the ability to breathe underwater rarely come up when I'm sleeping.
雙頭怪物或者能在水下呼吸之類的，從來就沒有在我的夢中發(fā)生過。