1650s, from Medieval Latin simultaneus, perhaps from simultim "at the same time," extended from Latin simul "at the same time" (see similar (adj.)), or from simul with ending abstracted from Late Latin spontaneus, where the -t- is organic. Related: Simultaneously.
实用例句
1. There were several simultaneous attacks by the rebels.
反叛者同时发动了几起攻击。
来自《权威词典》
2. The two simultaneous shots sounded like one.
那同时发出的两声枪响听起来像是一响.
来自《简明英汉词典》
3. We need a simultaneous interpreter.
我们需要一个同声翻译.
来自《简明英汉词典》
4. This event was almost simultaneous with that one.
这件事几乎是与那件事同时发生的.
来自《现代英汉综合大词典》
5. The conference hall is provided with facilities for simultaneous interpretation in five languages.