名詞 portland:

1. freshwater port and largest city in Oregon; located in northwestern Oregon on the Willamette River which divides the city into east and west sections; renowned for its beautiful natural setting among the mountains
2. largest city in Maine in the southwestern corner of the state

1. Able to set and harden under water, as Portland cement.
   在水中變硬的能在水下定型并變硬的，如波特蘭水泥

Port.land

NONE（無詞性）
A city of southwest Maine on an arm of the Gulf of Maine south of Lewiston. Settled c. '32, it became a commercial center in the 7th century and was state capital from 820 to 832. It is the largest city in the state. Population, '4,348.
波特蘭：美國緬因州西南部一城市，位于劉易斯頓以南的緬因?yàn)车暮持?。該城建于公?32年，在7世紀(jì)成為商業(yè)中心，820年到832年為緬因州州府。該市是緬因州最大的城市。人口'4,348
The largest city of Oregon, in the northwest part of the state on the Willamette River near its junction with the Columbia River. Founded in 845, it grew as a lumber-exporting port and supply point for the California and Alaska goldfields. Population, 437,39.
波特蘭：美國俄勒岡州最大城市，位于該州西北部，威拉米特河沿岸與哥倫比亞河的匯合處。該市建于845年，作為出口木材的海港而發(fā)展起來，并成為加利福尼亞及阿拉斯加的金礦供給點(diǎn)。人口437,39

【引伸】
Port.lander
n.（名詞）