1、come up

走近;走到跟前

Her cat came up and rubbed itself against their legs.

她的貓跑上前來，在他們腿上蹭來蹭去。

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

他走到我跟前說：“快點，約翰?！?/p>

被提及;被討論

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

在與客人喝餐前酒的時候，有人提到了這個話題。

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)出現空缺;(商品)上市

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

格頓學院設立了一項研究獎學金，我提出申請并且成功獲得。

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

這幢房子放盤，兩口子才意識到他們的錢差不多剛夠買下它。

2、explosive

炸藥;爆炸物

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

150磅塞姆汀塑膠炸藥

There were traces of explosives in the bedroom.

臥室里有炸藥的痕跡。

（局面等）一觸即發的，千鈞一發的

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

他似乎正小心地應對可能一觸即發的局勢。

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

沒有人知道歐洲的未來這一議題會引起怎樣爆炸性的討論。