Illinium
n. 钇\\n[医] 钷(61号元素)
🗣️ 情景例句
are important for the sales of your book.
对于你这本书的销售很重要。
Where were you during the month of April last year?
去年四月份你在哪里？
But we do not need to send men down to get the oil out, as we must with other mineral deposits.
但是，我们不必像开采其他矿藏那样，把人送到地下去把石油取出。