Midchannel
n. [航海學]中水道；中航道
??? 情景例句
This may sound like a dumb question, but I'd like to know.
這也許是個愚蠢的問題，但我想知道。
For some time now, he has contemplated moving to America.
他長久以來就在考慮移居美國了。
On his arrival he was sold to a farmer and worked in the fields.
一到美國，他就被賣給了一個農場主，到地里干活。