09/01/27 16:06:17
よろしくお願いします。（diatoms=珪藻類）
The diatoms form a harder shell and is less fragile that those in salt water.
09/01/27 16:06:17
よろしくお願いします。（diatoms=珪藻類）
The diatoms form a harder shell and is less fragile that those in salt water.
09/01/27 16:06:17
よろしくお願いします。（diatoms=珪藻類）
The diatoms form a harder shell and is less fragile that those in salt water.