Pfge
脉冲电场凝胶电泳
🗣️ 情景例句
Can I help with anything?
我能帮什么忙吗
Life is but a span.
人生如朝露。
Round about, piles of limestone glistened in all the colours of the rainbow.
周围是一堆堆石灰石，像彩虹一样闪闪发光。