Arcs
n. 弧, 弧线( arc的名词复数 ); 弧形物
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
Do you know when he will be back?
你知道他什么时候会回来？
but by now the Thermopylae was over five hundred miles ahead.
但此时，“赛姆皮雷”号早已在500多英里之遥了。