mer
mer — 縮寫
1. an abbreviation of 'meridian' used in geography and navigation to show a line of
經線
meridian 的縮寫；地圖上的經度線
an abbreviation of 'meridian' used in geography and navigation to show a line of longitude on a map or globe — for example, E 120° mer means the line of longitude 120 degrees east of the prime meridian.
The research station is located near the 60° S mer., about 1,000 kilometres from the coast.
該研究站位於南緯 60 度經線附近，距離海岸約一千公里。
number + ° + mer for coordinate reference
Captain Renata plotted the ship's position at 45° W mer. using the old sextant.
Renata 船長用老式六分儀，在船上標出西經 45 度經線的位置。
On the classroom globe, Tomás traced his finger along the 121° E mer. to find Taipei.
Tomás 在教室的地球儀上沿著東經 121 度經線畫了一條線，想找到臺北的位置。
The treaty defined the border along the 100° W mer. from the Arctic down to the Gulf of Mexico.
這項條約沿著西經 100 度經線劃定邊界，從北極圈一直到墨西哥灣。
Hui checked the GPS display and noted the coordinates: 25° N, 121° E mer.
Hui 看了一下 GPS 螢幕，上面顯示的座標是北緯 25 度、東經 121 度。
文法句型
number + ° + E/W + mer
number + ° + mer
用法筆記
Almost always followed by a compass direction (E, W) and a degree symbol (°). The form 'mer.' with a period is standard in cartographic notation.
常見錯誤
mer — 名詞構詞成分
1. a combining form from Greek 'méros' (part) that attaches to a prefix — most ofte
成員
構成科學名詞，表示某一類別的成員
a combining form from Greek 'méros' (part) that attaches to a prefix — most often a number or descriptive root — to create a scientific noun naming a member of a specific structural class; for example, polymer uses 'poly-' (many) to mean 'a substance whose parts are many', isomer uses 'iso-' (equal) to mean 'same parts in a different arrangement', and monomer uses 'mono-' (one) to mean 'a single part that can join with others'.
The nylon fibres in a climbing rope are a polymer of thousands of identical unit-members.
攀岩繩中的尼龍纖維是由數千個相同小單元組成的聚合物。
polymer = poly- (many) + -mer (part) → many-part molecule
Glucose and fructose are structural isomers of the same formula class, with differently connected atoms.
葡萄糖與果糖屬於同一化學式類別的結構異構物，原子連結方式不同。
isomer = iso- (equal) + -mer (part) → equal parts, different arrangement
Tokyo chemists made a monomer that joins identical copies into a polymer at room temperature.
東京的化學家製造了一種單體，可在室溫下將相同分子結合成聚合物。
Polyethylene, a common plastic, is a polymer built from many identical ethylene units linked together.
聚乙烯是一種常見的塑膠，由許多相同的乙烯單元連結而成的聚合物。
When two fatty acid molecules bond together, the resulting dimer carries signals between cells.
當兩個脂肪酸分子結合時，所形成的二聚體可在細胞之間傳遞訊號。
文法句型
[prefix] + mer
found in scientific compound nouns