We put them in a bell jar overnight and allowed them to be slowly moistened,he explained.
We put them in a bell jar overnight and allowed them to be slowly moistened,he explained.
“我们头一天晚上就把它们放在一个钟形的玻璃容器里面，让它们慢慢变湿。”他说。
We put them in a bell jar overnight and allowed them to be slowly moistened,he explained.
“我们头一天晚上就把它们放在一个钟形的玻璃容器里面，让它们慢慢变湿。”他说。