一旦

Once an electron/ion cloud is formed, current can flow from the power source.

一旦电子/离子云形成，就有电流从电源中产生。

For this research project, two gas chromatography/electron capture detection system was built to measure SF_6 in the atmosphere.

由于SF_6在大气中的寿命达到了2300年，一旦SF_6被排放入大气中，它在大气中的消除是一个非常缓慢的过程。

But also should see the risk on policy is very big, bilateral conformity also is difficult problem, after all once the electronic mailbox of Yahoo and AOL, instant chatting tool is amalgamative can form forestall force, and the headquarters apart of two companies is very far.

但是也应该看到政策上风险很大，双方的整合也是难题，毕竟雅虎和AOL的电子信箱、即时聊天工具一旦合并会形成垄断力量，并且两家公司的总部相距甚远。

Parasitic nematodes that cause elephantiasis and river blindness threaten hundreds of millions of people in the developing world.

根据世界卫生组织的统计，这种寄生虫一旦入侵人体，会让人四肢无力且外形逐渐改变，全世界大约有四千万人受害，同时有一亿五千万人受到丝虫感染。

Once you have done that you can begin to find techniques and methods to eliminate your anxiety attacks.

一旦你做，你可以开始找你的技术和方法，消除焦虑的袭击。

Once none of you is here, the man in throne will live alone in the lon ely zone.

一旦你们没有人在此，王位上的人就要孤独地生活在这个孤寂的地带。

Once you get yourself in Joy it is easy to maintain it, because your emanation of Joy attracts more Joy.

一旦你让自己处于欢乐中，保持欢乐是很容易的，因为你的欢乐力场会吸引更多的欢乐。

Hitting the magic 60 will change the psychology of life in the upper house, emboldening the Democrats and enfeebling the Republicans.

一旦民主党取得参议院60个席位，上院的生活哲学就会随之改变，壮了民主党的胆子，却让共和党举步维艰。

Emile: You know, once you manage to control the impulse to vomit, all kinds of possibilities open up.

艾米尔：你知道的，一旦你想办法克服呕吐的反射神经，任何东西都是可以吃的。

Emile: You know, once you muscle your way past the gag reflex, all kinds of possibilities open up.

艾米尔：你知道的，一旦你想办法克服呕吐的反射神经，任何东西都是可以吃的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。