Dysprosium
n. 鏑\\n[化] 鏑Dy
??? 情景例句
A diamond of this size is unique.
這種尺寸的鉆石是獨(dú)一無二的。
Do you live 2nd Avenue?
你在第二大道居住嗎？
Ken gave up smoking two years ago. He'd been smoking for thirty years.
兩年前肯戒了煙，之前他抽了三十年煙。