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四轮摩托车, 四轮越野车
四合院, 长方形区域
方块, 间距
股四头肌, 四头肌
What is "quad"?
The quad refers to the quadriceps muscle group in the front of the thigh. Comprised of four individual muscles, including the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius, the quad plays a key role in extending the leg at the knee joint. It is responsible for movements such as kicking, running, jumping, and squatting. The quad muscles are powerful and contribute to overall lower limb strength and stability. Maintaining strong and conditioned quads is important for various physical activities and functional mobility.
四胞胎
a slang term that refers to four of a Kind, which is a hand consisting of four cards of the same rank, such as four Jacks
What is a "quad"?
A quad is a shorthand term used in poker to refer to "four of a kind," which is a hand consisting of four cards of the same rank and one unrelated card. For example, a hand with four aces and a 7 is a quad. It is a very strong hand, ranked above a full house but below a straight flush in standard poker hand rankings. If two players have quads, the hand with the higher set of four matching cards wins. If both have the same four of a kind, the fifth card, known as the kicker, is used to break the tie.
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quadrant
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