第三人称单数： welds
过去式： welded
过去分词： welded
现在分词： welding
易混淆的单词： Weld

The din is deafening as workers hammer and weld the parts together .

工人们敲击和焊接部件的喧嚣声震耳欲聋。

Today , they want to weld it to reopen it again some time later .

如今，他们打算把防空洞焊死，并在日后某个时间重开。

Low-power lasers can cut and weld plastics ; higher-power lasers can cut and weld metals .

低功率激光可以切割和焊接塑料；高功率激光可以切割和焊接金属。

These pieces were hot enough to weld together to make the hard layers seen today .

这些熔岩足够热以致它们彼此焊接在一起形成我们今天看到的坚硬岩石层。

Inside the gated compound , workers in tarred jerseys and goggles weld and drive screws .

在厂区，穿着满是油污的工作服的工人正从事焊接，拧紧螺丝。