tia hồng ngoại
Learn more
After looking up a meaning, choose a textbook or practice activity to keep learning Vietnamese.
Learn letters and pronunciation from the beginning
Open the 10days lesson listAn introductory textbook over ten days. Choose a lesson to read and listen to.
Learn conversation through a story
Read about “Tết, the Third Time”A textbook that teaches conversation through a family story. It is being prepared; see its content and release status.
Practise words and sounds in short activities
Choose from the practice listChoose an activity for vocabulary, tones, listening and other skills.
Meaning
1 senses
▸
Electromagnetic radiation with wavelengths that are longer than visible light but shorter than radio waves.
vi Máy điều khiển từ xa sử dụng tia hồng ngoại để truyền tín hiệu.
en The remote control uses infrared rays to transmit signals.