Els
[化] 电泳光散射; 电子能量损失能谱; 电子能量损失能谱学
🗣️ 情景例句
for a long time,
很久了，
Proverbs are the cream of a nation's thought.
谚语是一国的思想精华。
During the summer, I noticed tat the leaves of the tree were beginning to wither.
到了夏天，我发现树叶开始枯萎，