Ertalyte
聚酯 经济的放射性同位素热电能源
🗣️ 情景例句
It's been a pleasure to talk to you.
和你谈话是件很愉快的事。
I don't know about the rest of you, but I'd like a break.
我不知道你们是否要休息，但我想休息片刻。
When he woke up, he was still on the mattress.
他醒来时，仍然躺在床垫上。