风眼四周环绕着“眼壁”，即一圈剧烈雷暴区域，通常是整个热带气旋中天气最恶劣的区域。

It is surrounded by the eyewall, a ring of towering thunderstorms where the most severe weather of a cyclone occurs.

youdao

在扩眼体设一斜水眼，在导眼体与扩眼体之间连接一缩径增效排屑环，强化了冷却清洗作用，从而保证钻头有较好的使用效果。

Set up a slant water hole at reamer, and connect the reamer and pilot with reducing synergy flute, which strengthen the cooling and washing function and ensure the bit's effects.

youdao

开得好的钮眼儿是联系艺术与自然的惟一环节。

A really well-made buttonhole is the only link between art and nature.

youdao