Radiometallography
射線金相學
??? 情景例句
I ran into Stone at the supermarket this morning.
早上我在超級市場碰見世通了。
Thank you for your advice.
謝謝你的勸告。
One authority on spiders made a census of the spiders in grass field in the south of England,
一位研究蜘蛛的權威對英國南部一塊草坪上的蜘蛛作了一次調查。