darkener的音標為[?dɑ?k?n??(r)]，基本翻譯為“暗淡的來源”，速記技巧為“dark暗的+ enner來源→暗淡的來源”。

Darkener這個詞源自拉丁語“tenebrarum”，意為“黑暗的”。它的變化形式包括名詞darkness（黑暗）和動詞darken（變暗）。

相關單詞：

1. Night（夜晚）：這個詞源自日間的反義詞，與黑暗和光明相對。它描述了天黑到天明的這段時間，是人們休息和放松的時間。

2. Shadow（影子）：這個詞源于拉丁語“shadowus”，意為“影子”或“陰影”。它通常用來描述物體在光線下的輪廓或形態。

3. Luminosity（亮度）：這個詞由“luminous”（發光的）和“ness”（狀態）組成，表示物體發出光的能力。它通常用來描述物體的可見度或亮度。

4. Darkness（黑暗）：這是darkener的名詞形式，表示完全無光的狀態。它常常用來形容夜晚或極端的黑暗環境。

5. Dusk（黃昏）：這個詞源于拉丁語“dusca”，意為“黃昏時刻”。它描述了太陽即將落山，天色開始暗淡的時刻。

6. Midnight（午夜）：這個詞由“mid”（中間）和“night”（夜晚）組成，表示一天中時間最晚的時刻。它通常用來形容深夜或午夜時分。

7. Eclipse（日食）：這個詞由“eclisse”（遮蔽）和“o”（看）組成，表示太陽被月亮或其他天體遮蔽的現象。它通常用來描述天文現象。

8. Nightfall（日落）：這個詞由“night”（夜晚）和“fall”（落下）組成，表示太陽落山的時刻。它通常用來形容日落時分，人們開始準備休息的時間。

9. Twilight（黎明前的微光）：這個詞由“twilight”（黃昏和黎明的中間時刻）組成，表示天剛剛開始亮起的時刻。它通常用來形容即將迎來新的一天的時間。

10. Shadowy（朦朧的）：這個詞由“shadow”（影子）和形容詞形式“y”組成，表示模糊不清或朦朧的狀態。它通常用來形容光線不足或物體輪廓不清晰的情況。

常用短語：

1. dark energy problem

2. dark energy density

3. dark energy equation

4. dark energy model

5. dark energy theory

6. dark energy universe

7. dark energy research

例句：

1. The dark energy equation is a complex mathematical problem that has yet to be fully solved.

2. The dark energy model suggests that the universe is expanding at an accelerating rate due to an unknown force.

3. Dark energy research is a hot topic in modern cosmology, with many scientists working to understand its nature and implications.

4. The dark energy density is a crucial parameter in determining the fate of the universe.

5. Dark energy theory is a widely accepted explanation for the accelerating expansion of the universe.

6. Despite its mysterious nature, dark energy has profound implications for our understanding of the universe and its evolution.

7. The dark energy universe is an incredibly vast and mysterious place, full of unknown secrets waiting to be discovered.

英文小作文：

Title: Dark Energy: The Mystery of the Universe"s Expansion

Dark energy, an unknown force that drives the accelerating expansion of the universe, remains one of the greatest mysteries in modern science. This mysterious substance, if it exists, accounts for nearly all of the energy density in the universe and is responsible for the observed acceleration of cosmic expansion. Understanding dark energy and its implications for our understanding of the universe and its evolution is one of the key challenges facing modern science today.

However, despite its mysterious nature, dark energy has profound implications for our understanding of the universe and its evolution. It suggests that the universe may be composed of more than what we can currently observe, with unknown forces and substances playing a crucial role in its formation and evolution. Furthermore, dark energy may provide insights into fundamental questions such as the nature of gravity and the origin of cosmic inflation, opening up new avenues for research and exploration in modern cosmology.

Despite its vastness and mystery, the dark energy universe is an incredibly vast and wonderful place, full of unknown secrets waiting to be discovered. It challenges us to push the boundaries of our knowledge and understanding, exploring the unknown frontiers of science and pushing forward the frontiers of human knowledge. As we continue to unravel the mysteries of the dark energy universe, we gain a deeper understanding of ourselves and our place in the vastness of the cosmos.