Lanthanum oxybromide
[化] 溴氧化镧
🧩 词语组成解析
n. 镧\\n[化] 镧La
溴氧化物
🗣️ 情景例句
OK. Keep those knees up.
好 ，膝盖抬高。
Delays are dangerous.
坐失良机必有忧患。
She heard the front door open and heavy footsteps in the hall.
她听见前门被打开，走廊里响起重重的脚步声。