ultrasound /'ʌltrә,saund/ ★☆☆☆☆ 📖 中文释义 n. 超声[计] 超声 🧩 词形变化 复数 ultrasounds 📘 English Definition(英文释义) n. very high frequency sound; used in ultrasonography ← ultrasonovision U 字母词表 ultrasound image analysis →