Ferropericlase
铁方镁石
🗣️ 情景例句
The government has adopted many measures to promote its economy.
政府采取了许多措施来发展经济。
This is my second trip to the United States, and I really enjoy staying here.
这是我第二次美国之行，我很喜欢这里。
What did you do at the meeting?
你们在会上做什么呢？