掏空的英文：
undercutting

参考例句：

Next, she disembowelled a melon with a quiet fury.
接着，她闷着头愤愤地掏空瓜瓤。

It is not always necessary to gut the fish prior to freezing.
冷冻鱼之前并不总是需要先把内脏掏空。

undercutting是什么意思：
n. 底切；切球；里脊
v. 廉价出售；削弱；从下削球；底切

Popular support would be undercut by political developments.
民众的支持率将会随政治势态的发展而下降。

I accept that it may undercut the wages of unskilled local labour.
我承认，移民可能会降低本地非熟练劳动力的薪水。

Subsidies allow growers to undercut competitors and depress world prices.
补贴使得种植者能以低于竞争对手的价格出售并压低世界价格。

The onset of the Great Depression undercut much of the credibility of the quantity theory.
大萧条的出现大大削弱了货币数量论的信誉。

The invention relates to a self undercut anchor, which belongs to the technical field of fastening pieces.
本发明涉及一种自切底锚栓，属于紧固件技术领域。