ultrasound
B2 · Upper Int.★★★☆☆
Simple Meaning
一种利用声波观察身体内部的医学检查，如观察子宫内的胎儿。
When to Use
💬Daily Conversation💼Workplace English⚙️Technical
Upper Intermediate — fluent in familiar topics
Examples in Conversation
“我们下周要做超声波检查，看看宝宝的性别。”
“医生用超声波检查我的肾脏是否有问题。”
Learning Path
▶Full Definition
Sound with a frequency greater than the upper limit of human hearing, which is approximately 20 kilohertz.