Englishfor English speakers
gate
Noun
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A gate is like a door in a fence. It opens to let people go through the fence.
Please open the gate for me; my hands are full.
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In computers and logic, a gate is something that gives a simple yes-or-no answer from two (or one, or more than two) yes-or-no things coming into it.
We need one more "and"-gate here so that it will give the finished answer.
pier
Noun
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A pier is a raised place over the water for walking or tying boats to that connects to land.