L-cystathionine l-
[建] 胱硫醚
🧩 词语组成解析
n. [生化]胱硫醚,丙氨酸丁氨酸硫醚
🗣️ 情景例句
They have nice things, but they've very expensive.
它们的东西不错，但很贵。
I went to visit an uncle of mine in San Francisco.
我去旧金山看望一个叔叔。
but he was in such a bedraggled condition than an assistant refused to serve him.
但店员见他浑身泥水的样子，竟不肯接待他。