✅ 同义词
🗣️ 情景例句
sacrifices have to be made by one partner from time to time.
总要有一方必须不时做些牺牲。
Happy Spring Festival!
春节快乐！
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，