hai chiều has 2 syllables: hai: ngang (level) · chiều: huyền (low falling). You can also listen to it on this page in both Northern and Southern accents.
How common is hai chiều in Vietnamese?
hai chiều is among the 8,000 most-used Vietnamese words, CEFR level C1.
How is hai chiều used in a sentence?
For example: Đây là đường hai chiều. (This is a two-way road.); Giao tiếp nên là hai chiều. (Communication should be two-way.).
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