Bechilite
硼钙石
🗣️ 情景例句
Good morning, Mom.
早安 ，妈妈。
It is my job to introduce the foreign guests who will be spending the week with us here.
我的责任是介绍这些将与我们共度这一周的外国客人们。
Knowledge is power.
知识就是力量。