Echolucent
[医]无回音区
🗣️ 情景例句
San Francisco General Hospital.
这里是旧金山总医院。
Please make sure that the goods be protected from moisture.
请保证货物不受潮。
By this time, however, three men had come into the ring and they quickly dragged the drunk to safety.
好像连牛也在为他感到遗憾，