Calsil
硅酸钙盐
🗣️ 情景例句
So far, you're all tied.
到现在为止 你们不分胜负。
The school is two miles straight ahead.
那学校一直向前两英里。
Please give my best regards to your family.
请代我向你们全家致以最诚挚的问候。