Vacuities
空白( vacuity的名词复数 )；空间；真空；空虚
🗣️ 情景例句
Practice tenses as much as possible.
操练各种时态。
This alone made our nine-day trip worthwhile.
光这件事我们九天的旅行就非常值得。
The nurse assisted the doctor in the operating room.
护士在手术室协助医生动手术。