"我时常想起" 是 "I often think of" 的意思。

"想起" 这个动词的意思是 "to think of or remember something or someone"。这个动词来源于中古英语 "þencan",其本意为 "to think, consider, or reflect upon"。在古英语时期,"þencan" 这个动词是由 "þe" 和 "þence" 两个词组合而成的,"þe" 意为 "that","þence" 意为 "thought"。

下面是几个例句:

I often think of my childhood memories. (我时常想起我的童年回忆。)
I can't help but think of her every time I see a sunset. (每次看到日落,我都想起她。)
I try not to think of the past, but sometimes it's hard to forget. (我尽量不想起过去,但有时很难忘记。)