Tapiolite
重钽铁矿
🗣️ 情景例句
Will you come over to help me with the tough job?
您能否来帮助我做这项艰苦的工作？
How long will ti take you to finish the work?
你要花多长时间才能完成那项工作？
Second, do not start faxing everything!
第二，不要把所有的东西都用来传真！