Mikheyevite
水钾钙矾
🗣️ 情景例句
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
Here's my credit card, just bill me.
这是信用卡，请记账吧。
The shuttle Endeavour will be taking the astronauts to the Hubble.
“奋进”号航天飞机将把宇航员送上哈勃。