Most species lack scales over most of the body, making it smooth and slippery.

大多数物种身体上的大部分面积都没有鳞片，这使得它们很光滑。

youdao

Rather than being caused by an overenthusiastic immune system, milk intolerance, for example, results from a lack of the enzyme the body needs to break down lactose, the main sugar in milk.

举例来说，不耐乳症不是由免疫系统的过分热情引起的，而是缺乏一种酶的结果，而身体需要这种酶来分解牛奶中主要的糖——乳糖。

youdao

To do so, they used some mice that had been bred to lack the gene that instructs the body to make osteocalcin.

为此，他们用老鼠来做研究，这些老鼠天生缺乏一种可以诱导躯体产生骨钙素的基因。

youdao

Other signs are red marks on the skin, feelings of extreme tiredness and lack of iron in the body.

VOA: special.2009.04.14

And notice again, just to emphasize the point, the relevant lack of belief here has to do with the death of the body.

为了加深印象，请再度注意，在这里信念的缺失,是和肉体的死亡密切相关的。

耶鲁公开课 - 死亡课程节选

For example, one of the symptoms is a lack of feeling in one part of the body or another.

VOA: special.2009.01.06

The initial turn-in is crisp and the chassis settles into a nice cornering stance, with a pleasant lack of body roll.

WSJ: 2012 Range Rover Evoque Five-Door Review: A Range Rover for a Smaller Era | Rumble Seat by Dan Neil

George Bush defended Donald Rumsfeld against mounting criticism from within the Republican Party both over a lack of body armour for troops in Iraq and his use of a machine to sign letters of condolence.

ECONOMIST: Asia's devastation

The dangers come down to basics, engineers said: the lack of body reinforcements, lower-quality steel in car bodies, weaker or fewer weld spots to hold the vehicles together and car platforms designed decades before modern safety advances.

NPR: AP IMPACT: Cars Made In Brazil Are Deadly