Alloying
煉制合金, 加入合金成分
??? 情景例句
When will this time draft fall due?
期票什么時候到期？
I often do home work in the afternoon.
我常常在下午做功課。
in the form of a large group of enlightened young men and women who are potential leaders.
便是培養(yǎng)出大批有知識的男女青年，這些人可能會成為未來的棟梁。