Ultrasonographic
[医]超声（波）检查的
🗣️ 情景例句
I guess Max is asleep by now.
我想Max现在已经睡觉了。
How are you going?Are you going by boat?
你怎样去?坐船去吗？
it takes much less energy to accelerate to that 1.5 miles per second than it does on Earth.
在月球上加速到每秒1。5英里比在地球上所用能源要少得多。