/'məʊməntrəlɪ; [US] ,məʊmən'terəlɪ;,momən`tɛrəlɪ/
adv
1 for a very short time 短暂地; 瞬间地; 片刻地
*He shuddered momentarily. 他哆嗦了一下.
2 (esp US) very soon; immediately 立即; 即刻
*The doctor will see you momentarily. 医生马上就来看你.

adv
for a very short time
= briefly
　She was momentarily lost for words.
　Jimmy paused momentarily.
AmE very soon
　Mr Johnson will be with you momentarily.