他最初面对媒体时情绪有点忧郁。He faced the press, initially, in a somewhat subdued mood.我在最初两次讲演时感到非常紧张。I had a case of the jitters during my first two speeches.他们从最初的市场测试中了解了许多信息。They learnt a lot from the initial market testing exerc...
A lustrous, blackish - brown rare earth mineral consisting primarily of cerium , erbium , titanium , uranium, and yttrium.一种红褐色矿物, 含稀土金属, 是钍和铈的主要来源.The titanium ascorbate was the substance of low toxicity to fish, shellf...