Gemnology
宝石藻
🗣️ 情景例句
There's been a car accident, please call the police.
这发生了车祸，请快报警。
We've got to get a refrigerator for the kitchen.
我们必须有一个电冰箱放在厨房。
There will only be standing room left for us next century!
到下个世纪我们就只有立足之地了。