Englishfor English speakers
boundary
Noun
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A boundary is the line around something's outside edge.
The elephants have to live within the boundary of the park or risk being shot.
There have been many times in their lives when the boundaries between their personal and professional lives have disappeared.
More manufactured goods are crossing international boundaries every day.
An international commission that regulates the boundary waters between the U.S. and Canada.
beam
Noun
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A beam is a line of light or energy.
A beam of sunlight came through the window making a rectangle on the floor.
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A beam is a long straight piece of wood or metal used in building to support weight.
Inside, the ceiling of the tunnel was held up with beams and was high enough that we could stand.
beam
Verb
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If you beam a signal from one place to another, you send it through the air.
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If you beam, you smile and look very happy.