Hmds
[化] 六甲基二硅烷; 六甲基乙硅烷
🗣️ 情景例句
Hello, I'm honored to make your acquaintance.
你好， 认识你是我的荣幸。
This is my fourth year of college, I'm a senior.
这是我上大学的第四年，我是四年级学生。
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。