1.work up通過鍛煉或高強度工作而產(chǎn)生

Even if you are not prepared to work up a sweat three times a week, any activity is better than none.

即使你不準備1周流3次汗，任何活動總比沒有要好DjqvUztxxBan。

2.electric current 電流

Piezoelectric crystals produce an electric current when bent and have many uses — the igniter on a gas barbecue grill being one of them.

壓電晶體在發(fā)生彎曲時能夠產(chǎn)生電流，并且已有很多用途——燃氣燒烤的點火器就是其中之一l_tG)V&c+x。

3. proof-of-concept 概念驗證

This proof-of-concept implementation demonstrates that you can implement these specifications on resource-constrained devices.

該概念驗證的實現(xiàn)說明了您可以在資源受限的設(shè)備上實現(xiàn)這些規(guī)范+-w7R5cR2(oAh。

4. out of juice 沒電了

I don't want to run out of juice and be stranded by the side of the road.

我可不想等車沒電了被困在馬路邊%C)GRDh8SFdA-@52A)-。