Mbone
[计] 多路广播主干网
🗣️ 情景例句
He's the publisher of the Carlson Publishing Company.
他是Carlson出版公司的老板 。
Know something like the palm of one's hand.
熟知其事，了如指掌。
Fifteen policemen had to push very hard to get him off the main street.
15个警察不得不用很大的力气把它推离主要街道。