Echosonogram
超声回波图
🗣️ 情景例句
But please call first.
不过，请你先打电话。
Don't worry about it.
别担心。
But when the train dawdled at station after station, I began to wonder,
但是，当火车一站接着一站往前蠕动时，我便产生了怀疑。