Nastran
[计]= NASA STRuctural ANalysis,美国宇航局结构分析
🗣️ 情景例句
and we have Popo the Clown to entertain you.
我们请了小丑Popo来给大家表演助兴。
There is no friend so faithful as a good book.
最忠实的朋友莫过于一本好书。
I have a lot of problems.
我有很多问题。