Frustule
n. 硅藻细胞壳
🗣️ 情景例句
Well, this unit here on display is a full scale assembly of our latest machine.
哦，这里所展示的这一部是本公司最新机器的全套设备。
Is that a book?
那是一本书吗？
The Australian seasons are the opposite.
澳大利亚的季节正好相反。