Ho Chi Minh City currently has about 170 canals nearly 700 kilometers long that are covered with water hyacinth, which prevents water flow, increases pollution in the inner city and as well as the risk of disease outbreaks.

Ví dụ, các bài viết liên quan đến từ canal. Các từ vựng liên quan đến từ vựng trong câu ví dụ.