doldrums plural n. [DOHL-drumz]
Definition
1: a spell of listlessness or despondency
1: 令人怠倦/沮丧的咒语
2: often capitalized Doldrums : a part of the ocean near the equator abounding in calms, squalls, and light shifting winds
2：首字母大写的Doldrums：赤道无风带，赤道附件的部分海洋区域，充满了无风日，狂风日和弱变向风日
3: a state or period of inactivity, stagnation, or slump
3: 一段不活跃，停滞，低潮的状态或时段
注：listlessness：怠倦，无精打采；despondency：失去勇气，失望，沮丧；equator：赤道；abound in：富有，富含，丰富；calm：平静，安静；squall：狂风，尖叫；shifting wind：变向风；stagnation：停滞；slump：下跌，猛搓，低潮，下沉
Did You Know?
Almost everyone gets the doldrums - a feeling of low spirits and lack of energy - every once in a while. The doldrums experienced by sailors, however, are usually of a different variety. In the early-19th century, the word once reserved for a feeling of despondency came to be applied to certain tropical regions of the ocean marked by the absence of strong winds. Sailing vessels, reliant on wind propulsion, struggled to make headway in these regions, leading to a long, arduous journeys. The exact etymology of doldrums is not certain, though it is believed to be related to the Old English dol, meaning "foolish" - a history it shared with our adjective dull.
几乎每个人每隔一段时间都会有低潮期，出现无精打采，怠倦乏力的样子。不过，水手们经历的“低潮期”指的却是另一番景象。在19世纪早期，这个词曾经专用于令水手们沮丧的感觉：当行驶到特定的热带某些区域时，这些区域没有强风，那些依赖风力推进的帆船不得不挣扎着前行，于是导致了一个长的，费力的行程。doldrums这个单词的确切词源并不明确，尽管被认为与古英语单词dol（笨拙的，愚蠢的）有联系 - 与英语的形容词dull（迟钝的，呆滞的）有共同的历史渊源。
注：struggle to do：挣扎着做...；make headway：前进，前行；strong wind：强风；reliant on：依赖，依靠；propulsion：推进；arduous：费力的，辛勤的，险峻的
Examples
- "A vacation on a tropical island could be just the thing you need to fight against the winter doldrums," said Christine as she handed me the resort's brochure.
“到热带岛屿上度假可能与在冬天对抗阴冷沉闷差不多。” Christine在将旅游手册递给我时这么说。
注：vacation：假期；tropical：热带的；fight against：对抗；resort's brouchure：旅行指南手册
- "At the time, the bourbon industry was in the process of emerging from a lengthy period of doldrums and rebranding itself as not just something old men drank."
--- The Kentucky Standard, 21 Nov. 2018
在那时，波旁威士忌工业正从漫长的低谷中逐渐的崛起，将他们的品牌重新树立成不仅仅是老年人的酒品。
注：bourbon industry： 波旁威士忌工业；in the process of：在...过程中；lengthy：漫长的；rebrand：重新树立品牌