ad.

1. 短暫地，臨時地
   Our train was momentarily delayed.

   我們的火車臨時耽擱了。

2. 每時每刻地；隨時
   She said they would arrive momentarily.

   她說他們隨時會到。

3. 立刻

adv.

1. for a very short time.
2. N. Amer. very soon.