... center portion 中央部分 closed portion闭合部分 closing portion 结算部分 ...
双语例句
1
A large portion of central London is being closed to traffic to handle the expected hundreds of thousands of revelers descending on the city.
为了更好的掌控预计将会空降伦敦的的成百上千的狂欢者，伦敦中心城区的大部分交通已经封闭。
2
But to Hannah he gave a double portion because he loved her, and the LORD had closed her womb.
给哈拿的却是双分，因为他爱哈拿。无奈耶和华不使哈拿生育。
3
The louver is in fluid communication with the air outlet passageway and includes a cover providing an aesthetic surface configured to face outward from front portion in the closed position.