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開火
2. I could never do simultaneous equations.
   我從來不會算聯(lián)立方程式。
3. The explosion was timed to be simultaneous with the plane's take-off.
   爆炸的時間定在飛機起飛的時刻。
4. The simultaneous demonstrations are held in London and New York.
   在倫敦和紐約同時舉行示威游行。