Mistram
导弹弹道测量系统
🗣️ 情景例句
What type of visa have you got?
您持的是哪种签证？
He made an important contribution to the company's success.
他对公司的成功做出了重要的贡献。
The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;
气垫船在非洲、澳大利亚等交通不发达地区特别有用。