Retroactive contributions
[经] 追溯交款(贡献,捐款)
🧩 词语组成解析
n. 贡献；出资
🗣️ 情景例句
Yes.
是的。
This company is growing by leaps and bounds, and the way to keep growing.
这个公司正在迅速发展，保持成长。
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，