1、come down

(成本、水平或數(shù)量)下降，降低

Interest rates should come down.

利率應(yīng)該降低。

If you buy three bottles, the bottle price comes down to 2.42.

如果買(mǎi)3瓶，價(jià)格會(huì)便宜一些，每瓶2.42英鎊。

落下;降落

The cold rain came down.

下起了冰冷的雨。

The curtain came down after the first act.

第一幕過(guò)后，幕布落了下來(lái)。

2、come across

偶然發(fā)現(xiàn);偶然遇見(jiàn)

I came across a group of children playing.

我碰到一群正在玩耍的小孩。

We like to identify and celebrate women's success whenever we come across it.

每當(dāng)女性取得成功，我們都會(huì)表示認(rèn)同并予以頌揚(yáng)。

使產(chǎn)生…印象;給人以…的印象

When sober he can come across as an extremely pleasant and charming young man.

沒(méi)喝醉的時(shí)候，他看上去似乎是個(gè)極為彬彬有禮、討人喜歡的小伙子。

He came across very, very well.

他給人的印象非常非常好。