Biquartz
[光]双石英片
🗣️ 情景例句
Jnice to have you with us.
很高兴你能跟我们在一起。
Steady wins the race.
从容就是赢得比赛的诀窍。
We can't go to the public parks or swimming pools.
我们不能上公园或是去游泳池。