Transonics
跨音速空气动力学
🗣️ 情景例句
Where does she live?
她住在哪？
This writer uses vivid descriptions in his writings.
这个作家在他的文章使用生动的描述。
Take it easy, you will be all right in a couple of days.
别担心，你两天之内就会痊愈的。