Squelette
翼形中线(弧线), 剖面中线
🗣️ 情景例句
And have you had an engineer come in to do an inspection?
你们可有一个工程师来做过检查吗？
To read without reflection is like eating without digestion.
学而不思，犹如食而不化。
We have new methods like compensation trade and joint ventrue.
我们有补偿贸易和合资经营。