n.同 quadruplet，同 quadrangle，四胞胎之一

原形：quad复数：quads

The quad is the central courtyard of our college, surrounded by old brick buildings.
这个四方形区域是我们学院的中心庭院，四周是古老的砖砌建筑。
She tore her quad muscle during her performance in the gymnastics competition.
她在体操比赛中拉伤了大腿四头肌。
The university's library is located in the heart of the quad.
大学的图书馆位于校园的中心位置。
The football team had to undergo rigorous quad exercises to build their strength.
足球队必须进行严格的腿部肌肉训练来增强力量。
The quad bike proved to be an exciting off-road adventure for the children.
四轮摩托车对孩子来说是一次刺激的越野冒险。
After the surgery, he had to use crutches for weeks due to his injured quad.
手术后，由于大腿四头肌受伤，他不得不使用拐杖数周。
The quad muscles are crucial for maintaining proper posture while standing.
大腿四头肌对于站立时保持正确姿势至关重要。
They organized a charity concert in the quad to raise funds for local schools.
他们在校园广场上组织了一场慈善音乐会，为当地学校筹集资金。
The quad is often bustling with students during lunchtime.
午餐时间，校园广场上常常熙熙攘攘，学生络绎不绝。
He performed a quadruple backflip on the trampoline, leaving everyone amazed.
他在蹦床上完成了四周转体，让所有人都惊叹不已。