1.private firms 私營企業
例句:Private firms are willing to make large scale investments to help cure Russia's economic troubles.
私有企業愿意投巨資幫助俄羅斯渡過經濟難關。
2.electric field 電場
例句:Even in fair weather, a very small electric field is present in Earth's atmosphere.
即使很好的天氣情況下,地球大氣層的電場依然存在。
3.precious metals 貴重金屬
例句:Platinum and gold are precious metals.
鉑和黃金是貴重金屬。
4.get rid of 擺脫;除去
例句:I began to have a sinking feeling that I was not going to get rid of her.
我開始有一種永遠也擺脫不了她的沮喪情緒。