Lindlar catalyst
[化] 林德乐催化剂
🧩 词语组成解析
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
The moment John saw Mary, he fell head over heels in love with her.
约翰对玛丽一见倾心，给她弄得神魂颠倒了。
'I can't hear a word!' I said angrily.
“我一个字也听不见了！”