Hypersonic
a. 极超音速的, 以高超声速行进的\\n[化] 特超声速的; 高超声速的
🗣️ 情景例句
If the owners don't claim the dog in forty-eight hours,
如果狗的主人在四十八小时内不认领,
Do business, but be not a slave to it.
要做事,但不要做事务的奴隶。
He was still smiling when the door opened and his wife came in.
他正笑着的时候门开了,他的妻子走了进来。
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