Molybdena
氧化钼
🗣️ 情景例句
What does that mean when he goes,
他发出的声音代表什么意思
Excuse me. Can you tell me where Main Street is?
劳驾，你能告诉我正街在哪里吗？
He threatened to remove them by force.
于是警察威胁要强行使他们离开。