Samaric hydride
[化] 三氢化钐
🧩 词语组成解析
[化] 三价钐
[医] 氢化物
🗣️ 情景例句
Lacks confidence and poise is nervous and ill at ease.
信心不足，不够自信，精神紧张，心神不定。
He stole my purse!
他偷了我的手袋！
Shortly afterwards, four more policemen arrived and remonstrated with the workmen.
一会儿工夫，又来了4个警察，规劝工人离开。