• Channel /ˈtʃænl/ (n): kênh (a passage that water can flow along, especially in the ground, on the bottom of a river, etc.).

Ex: The boats all have to pass through this narrow channel.

• Canyon /ˈkænjən/ (n): hẽm núi (a deep valley with steep sides of rock).

Ex: Massive rock formations, mountains and deep canyons present splendid views of nature’s work.

• Delta /ˈdeltə/ (n): châu thổ (an area of land, like a triangle in shape, where a river has split into several smaller rivers before entering the sea).

Ex: The Nile Delta is a delta in northern Egypt, the wharf expands and empties into the Mediterranean.

• Erosion /ɪˈrəʊʒn/ (n): sự xói mòn (he process by which the surface of something is gradually destroyed through the action of wind, rain, etc).

Ex: That stone is 3000 years old and it can't escape the erosion.

• Globe /ɡləʊb/ (n): toàn cầu (the world).

Ex: His greatest ambition is to sail around the globe.

• Habitat /ˈhæbɪtæt/ (n): môi trường sống (the place where a particular type of animal or plant is normally found).

Ex: The panda's natural habitat is the bamboo forest.

• Hemisphere /ˈhemɪsfɪə(r)/ (n): bán cầu (one half of the earth, especially the half above or below the equator).

Ex: In the northern hemisphere, December is a winter month.

• Highland /ˈhaɪlənd/ (n): cao nguyên (connected with an area of land that has hills or mountains).

Ex: Much of central and eastern Brazil is highland plateau.

• Horizon /həˈraɪzn/ (n): đường chân trời (the furthest that you can see, where the sky seems to meet the land or the sea).

Ex: The sun sank below the horizon.

• Iceberg /ˈaɪsbɜːrɡ/ (n): tảng băng trôi (an extremely large mass of ice floating in the sea).

Ex: The ship struck a hidden iceberg.

• Tide /taɪd/ (n): thủy triều (a regular rise and fall in the level of the sea, caused by the pull of the moon and sun; the flow of water that happens as the sea rises and falls).

Ex: Is the tide coming in or going out?