Polyampholyte
聚两性电解质
🗣️ 情景例句
That's load off my mind.
这一来我心里轻松了。
It's hot this afternoon.
今天下午很热。
for even though it was far too big for her needs, she persisted in living there long after her husband's death.
房子实在太大了，但在丈夫去世多年后，她仍然执意长年住在那儿。