Spectroquality
光谱纯度
🗣️ 情景例句
Oh, please, Harry.
噢，拜托你， Harry。
To trip and fall
绊倒
However, in recent times the old-age pension has only been paid to the poorest people because there has been an increase in the number of people out of work.189
然而阳近一段时间，老年养老金只付给那些最穷的人，因为失业的人数一直在增长。