Helixseal
螺旋密封
🗣️ 情景例句
The reporters and cameramen swarmed around the accident like bees around a honey pot.
为了报道这件事情，记者和摄像师蜂拥而至。
Our staff and employees will do their best to make your visit comfortable and worthwhile.
我们所有的员工都会尽力使您的来访舒适而有价值。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。