Thermsilid
硅铁耐酸合金
🗣️ 情景例句
That's a relief.
现在我放心了。
My thesis is due the same week as midterms.
毕业论文截止的日期，和期中考试那一周重复。
Before they were replaced by steamships,
在蒸汽船取代帆船之前。