Heat barrier
n. 热障，速度极限
📖 牛津释义
heat barrier
limit on the speed of aircraft, etc caused by heat resulting from air friction 热障（因摩擦生热使飞行器等受到的速度限制）.
🧩 词语组成解析
heat
[hi:t]
n. 热，热度，高温;热烈，激烈;（身体的）发烧，发热;发情;
vt.&vi. 使温暖，使热;激发…的感情，使兴奋;
🗣️ 情景例句
And this is Shirley and Nicole.
这是 Shirley和 Nicole。
How did this happen?
怎么会这样？
North Island is famous for an area of hot springs, some of which throw hot water high into the air.
北岛以其温泉区而闻名，其中有一些温泉将热水高高地喷向空中。