Variograph
变量计
🗣️ 情景例句
When the bough breaks,
树枝若折断
Do you ever study English on Sunday?
你曾经在星期日学英文吗？
They were still neck and neck! But the other runners were not far behind.
他们仍在肩并肩地跑！但是，其他运动员也距离他们不远。