Biofouling
n. （生物体对水下工程建筑物的）生物污损
🗣️ 情景例句
What is this charge here?
这是什么费用？
It is convenient to know the language.
掌握这门语言会带来方便。
This time they fixed heavy metal clamps to both sides of the dish so that they could fasten the chains.
这次，他们用沉重的金属夹子把盘子夹住，以便往盘子上安装铁链。