polaris
polaris — 名詞
1. a star in the northern sky that stays almost in the same spot while other stars
北極星
北極附近的明亮恆星，用於夜間導航
a star in the northern sky that stays almost in the same spot while other stars appear to move around it, making it a reliable guide for finding north when travelling at night
On clear nights, Liang used Polaris to show his younger sister which way was north.
在晴朗的夜晚，Liang 用北極星來告訴妹妹哪個方向是北邊。
used to show direction at night
During a sailing trip across the Atlantic, the captain checked Polaris each evening.
在橫跨大西洋的航行途中，船長每晚都會確認北極星的位置。
check Polaris — navigation routine
Kofi learned to identify Polaris during his first astronomy lesson at school.
Kofi 在學校的第一堂天文課上學會了辨認北極星。
An Icelandic taxi driver said Polaris helped him find his way through the snow.
一位冰島的計程車司機說，北極星幫他在雪地中找到路。
Early sailors used Polaris to stay on course when no land was in sight.
早期的水手靠北極星來確保航向正確，當陸地看不見的時候。
- North Star
more common in everyday speech; the term most learners will hear first
- Pole Star
slightly more formal and literary; less frequent in daily conversation
用法筆記
Polaris is a proper noun and is always capitalised. It is also commonly called the North Star or the Pole Star in everyday conversation.