Thrombinogen
凝血酶原, 前凝血酶
🗣️ 情景例句
The hi-tech industry attracts much venture capital.
高科技产业吸引着许多风险投资。
How much?How many?
共多少？
Really? What's the weather like in Australia now?
真的吗？澳大利亚现在天气怎样？