Coordinatometer
坐标尺
🗣️ 情景例句
Summer is vacation time.
夏季是度假的好时机。
Most of them are less than 30.
他们中大多数不到30岁。
Firemen had been fighting the forest for nearly three weeks before they could get it under control.
消防队员们同那场森林大火搏斗了将近3个星期才最后把火势控制住。