Transonics
跨音速空气动力学
🗣️ 情景例句
Many new marriages end in divorce.
许多现代的婚姻以离婚收场。
In the fall, the boys prune the trees.
在秋天，男孩们便修剪那些树木。
They stretch out their legs like flying squirrels.
它们伸展四肢，就像飞行中的松鼠一样。