Raney's catalyst
[医] 兰尼氏催化剂, 海绵状镍催化剂
🧩 词语组成解析
🗣️ 情景例句
Mom and Dad are already on their way down to the gallery.
妈妈和爸爸已经出发去画廊了。
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
He no sooner recovers his equilibrium than the next porpoise comes along and hits him another crack.
海龟刚恢复平衡，第二只海豚又冲过来猛击一下。