基本解释气球假目标雷达反射器同根派生 gulls相关词英汉例句Gulls hovering over the waves.在浪尖盘旋的海鸥A flock of gulls circled overhead as the boast sailed into the port.船只驶入港口时，一群海鸥在船上方盘旋。gulls更多例句