middle
【例】There will be direct steamer for London in the middle of next month.
下月中旬有一艘开往伦敦的直达轮。
middleman, middle-man
中间商
【例】Agent middleman does not take title to the goods they deal in.
代理中间人并不拥有他们所经营的货物。
middling
(品质、大小等)中等的
【例】The quality of their product is middling.
他们产品的质量是中等的。