Fea
有限元分析
🗣️ 情景例句
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
One foe is too many; and a hundred friends too few.
朋友成百犹觉少，仇敌一人已嫌多。
I've been here before.
我以前来过这里。