Bernonite
水钙铝石
🗣️ 情景例句
I've put an X next to the place where you should sign.
我已在你该签名的地方后面标示了X。
Could we see the specifications for the X200?
我们可以看一下X200型的详细规格吗？
At night, the children always do their homework.Then they go to bed.
晚上，孩子们总是做作业，然后去睡觉。