Spherochrome
白色硅藻土载体
🗣️ 情景例句
They took every last dime.
他们拿走了所有的钱。
When the clock strikes twelve at midnight.
当午夜十二点的钟声敲响时。
the other the lack of freedom of the individual research worker.
二是研究人员缺乏个人自由。