Lanthanum trioxide
[化] 氧化镧; 三氧化二镧
🧩 词语组成解析
n. 镧\\n[化] 镧La
n. 三氧化物\\n[医] 三氧化物
🗣️ 情景例句
It's good that you went back.
你回去是对的。
Won't you come in, please?
请进来好吗？
His words are strongly impressed on my memory.
他的话深深地铭记在我的心头。