I am preserving food in a vacuum pack.

Tyrosine is one of the important amino acids.

This newly released smartphone is equipped with the latest technology.

Dioxin is a part of organic chemistry and is a very toxic compound.

Please check my outbox.

兩唇音 is a type of sound produced using the lips.

The theory of harmonic oscillators is a fundamental concept in physics.

This rubber is free to expand and contract, and can be changed into any shape.

He overcame hardship and achieved success.

He felt pain within his body.