Cassiopeium
[化]镥(71号元素, 符号Lu)
🔁 扩展释义
【医】 镥(71号元素)
🗣️ 情景例句
I have to sign copies of my book for a lot of people
我还必须为许多人在我的书上签名
I want to go coach, and I'd prefer a morning flight.
我要普通舱，还有，我喜欢早上的班机。
I'm not sure. I think he may have to help his Dad in the garden.
我不清楚。我想可能他得帮助他爸爸在花园里干活。