Ncsa
( NATIONAL CENTER FOR SUPERCOMPUTING APPLICATIONS 的缩写。由美国政府设立的网内中心)
🗣️ 情景例句
He sees her often but doesn't want to get too involved.
他常与她来往，但不愿用情太深。
He will always be a slave who knows not how to earn and save.
不懂挣钱和积财，只能永远当奴才。
Similarly, our own present primitive chemical rockets, though good enough to orbit men,
同样，我们目前使用的原始化学火箭，虽然可以把人送入轨道，