dolphins

dolphins的音标是[ˈdɒlfɪnz]。基本翻译是“海豚”。速记技巧可以使用词根记忆法，dolphin意为“海豚”，-in结尾表示“……的”，所以dolphins可以理解为“海豚们”。

Dolphins这个词的词源可以追溯到希腊语词“δolphīn”，意为海豚。这个词在英语中沿用了下来，没有发生太大的变化。

变化形式：名词形式通常为dolphin，形容词形式为dolphinean或dolphin-like。

相关单词：

同样属于海洋哺乳动物的seals也是与之相关的词汇。

Whale这个词也是与海洋动物相关的词汇，同样源自希腊语词源。

同样与海洋动物相关的词汇还包括fish、turtle等。

在描述dolphins时，我们可以使用诸如“海豚”、“微笑的海豚”等词语来描述它们的外貌和行为特征。此外，dolphins也可以被用于描述那些聪明、友善、富有情感的生物，它们在人类文化中一直被视为吉祥的象征。

常用短语：

1. playful dolphin - 嬉戏的鲸鱼

2. graceful dolphin - 优雅的鲸鱼

3. sleek dolphin - 光滑的鲸鱼

4. bottlenose dolphin - 瓶鼻鲸

5. oceanic dolphin - 海洋鲸鱼

6. schooling dolphin - 成群的海豚

7. leaping dolphin - 跃起的鲸鱼

双语句子：

1. The dolphins are playing in the ocean today.（今天海豚们在海洋里嬉戏。）

2. I have always loved watching dolphins leap.（我一直很喜欢看海豚跃起。）

3. The dolphins are graceful swimmers.（海豚是优雅的游泳者。）

4. Bottlenose dolphins are often seen in tropical waters.（瓶鼻鲸通常在热带水域被看到。）

5. Dolphins are intelligent and playful animals.（海豚是非常聪明和活泼的动物。）

6. Dolphins are known for their friendly nature.（海豚以它们的友好天性而闻名。）

7. Dolphins are a symbol of joy and happiness.（海豚是欢乐和幸福的象征。）

英文小作文：

Dolphins are incredible creatures that bring joy and happiness to many people around the world. They are known for their friendly nature and intelligence, and they are often seen playing and swimming in the ocean. I have always been fascinated by dolphins, and I remember watching them leap and play in the waves as a child. They are sleek, graceful, and playful, and they make the ocean a more exciting place to be. Whether it is watching them from a boat or swimming with them, dolphins are a reminder of the beauty and wonder of the natural world. I hope to see more dolphins in my lifetime and to share their joy and happiness with others.