VERB + LONGITUDE | PREPOSITION | PHRASESVERB + LONGITUDE➤calculate, determine計算/測定經度◇He tried to find out how a ship at sea could determine its longitude.他試圖弄清海上船隻如何才能測定出所在位置的經度。PREPOSITION➤at (a) longitude在經度上◇The town is at longitude 28° west.這個鎮位於西經 28 度。PHRASES➤a line of longitude經線◇This line of longitude cuts through the jungle.這條經線穿過叢林地帶。
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