cầu gai
Definition
- Noun:
- Sea urchin: A small, round marine animal with a hard, spiny shell, belonging to the class Echinoidea. It is often found in ocean habitats.
Usage Examples
- Noun:
- Khi lặn biển, tôi thấy nhiều cầu gai dưới đáy. (When diving, I saw many sea urchins on the seabed.)
- Cần cẩn thận để không dẫm phải cầu gai. (One must be careful not to step on a sea urchin.)
Advanced Usage
- The term "cầu gai" is used specifically in biology and marine contexts. It can also refer to the class Echinoidea as a whole.
Variants and Related Words
- Nhím biển: This is another Vietnamese term for "sea urchin," used synonymously with "cầu gai."
- Nhím biển và cầu gai là cùng một loài. (Sea urchin and "cầu gai" are the same species.)
Synonyms
- Sea urchin: The direct English translation.
- Echinoid: The scientific term for animals in the class Echinoidea.
Related Idioms
- There are no common idioms in Vietnamese that directly feature the word "cầu gai." It is primarily a technical or descriptive biological term.