Sindepress
硝基安定
🗣️ 情景例句
You don't seem to like my ideas, so tell me what do you think?
看来你似乎不太喜欢我的主意，那可以告诉我你的想法吧？
I didn't sleep well.
我没睡好。
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，