Palladium catalyst
[化] 钯催化剂
🧩 词语组成解析
palladium
[[pə'leidiəm]]
n. 钯\\n[化] 钯Pd
🗣️ 情景例句
Um...Alexandra, let me introduce you.
噢……Alexandra 让我来介绍一下。
A cracked bell can never sound well (is never sound).
破钟无好音。
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。