Definition: a visible suspension in the air of particles of a substance. (hơi nước)

Example: There was a hissing sound, and clouds of vapour were emitted.

- Definition: any of the tubes that carry blood from all parts of the body towards the heart (Huyết quản, tĩnh mạch)

- Collocation: vein (of something) an amount of a particular quality or feature in something

- Example: The nurse was having trouble finding a vein in his arm

a tool with two metal blocks that can be moved together by turning a screw. The vise is used to hold an object firmly while work is done on it.

Cái kiềm/cái kẹp

e.g. He held my arm in a vise-like (= very firm) grip.