Carboround
碳化硅载体
🗣️ 情景例句
Do you know where the nearest post office is?
你知道最近的邮局在哪儿吗？
Mr. Smith is still in his forties.
史密斯先生才四十几岁。
This rabbit had no natural enemies in the Antipodes,
这种兔子在澳大利亚及新西兰没有天敌，