重件;
例句:
The 16-story-tall rocket was a prototype for a heavy-lift launch vehicle Elon Musk says could carry people to Mars in as little as six years.
这个16层楼高的火箭是一枚重型运载火箭的原型,埃隆·马斯克称其可以在六年内将人类送至火星。
The stone is too heavy for me to lift.
这块石头太重了,我搬不起来。
The box is too heavy for me to lift.
这只箱子太沉,我搬不动。