Tapiolite
重钽铁矿
🗣️ 情景例句
Jeans are popular among the young.
牛仔裤很受年轻人喜爱。
My favorite holiday is Christmas.
我喜欢的节日是圣诞节。
Were you in San Francisco at the time of the big earthquake in 1989?
1989年旧金山大地震时，你在那儿吗？