1、come up

走近;走到跟前

Her cat came up and rubbed itself against their legs.

她的猫跑上前来，在他们腿上蹭来蹭去。

He came up to me and said: 'Come on, John.'

他走到我跟前说：“快点，约翰。”

被提及;被讨论

The subject came up during a pre-dinner drink with our guests.

在与客人喝餐前酒的时候，有人提到了这个话题。

Jeane Kirkpatrick's name has come up a lot.

珍妮·柯克帕特里克的名字被多次提到。

(工作)出现空缺;(商品)上市

A research fellowship came up at Girton and I applied for it and got it.

格顿学院设立了一项研究奖学金，我提出申请并且成功获得。

The house came up for sale and the couple realised they could just about afford it.

这幢房子放盘，两口子才意识到他们的钱差不多刚够买下它。

2、explosive

炸药;爆炸物

one-hundred-and-fifty pounds of Semtex explosive.

150磅塞姆汀塑胶炸药

There were traces of explosives in the bedroom.

卧室里有炸药的痕迹。

（局面等）一触即发的，千钧一发的

He appeared to be treating the potentially explosive situation with some sensitivity.

他似乎正小心地应对可能一触即发的局势。

Nobody knows what explosive arguments the future of Europe will bring.

没有人知道欧洲的未来这一议题会引起怎样爆炸性的讨论。