形容詞 simultaneous:

1. occurring or operating at the same time
   同義詞：coincident, coincidental, coinciding, concurrent, co-occurrent, cooccurring

1. The simultaneous discharge of these guns.
   舷炮齊射這些槍炮的同時(shí)開火
2. I could never do simultaneous equations.
   我從來不會(huì)算聯(lián)立方程式。
3. The explosion was timed to be simultaneous with the plane's take-off.
   爆炸的時(shí)間定在飛機(jī)起飛的時(shí)刻。
4. The simultaneous demonstrations are held in London and New York.
   在倫敦和紐約同時(shí)舉行示威游行。