One drawback is that it takes days to kill the locusts.

该产品有一个缺点，即它需要数日才能杀死蝗虫。

youdao

From the earliest days, when weapons were limited to chipped stone arrow tips and axes, there have been those with the skill to create weapons that kill.

早期，当武器还局限于由碎石头做成的箭和斧子时就产生了一种职业，专门运用一些技巧来创造出能够杀人的武器。

youdao

And after that many days were fulfilled, the Jews took counsel to kill him.

过了好些日子，犹太人商议要杀扫罗。

youdao

He said he decided to break his silence after watching a "CNN Presents" documentary, "Shoot to Kill, " about the days after Katrina hit the Gulf Coast on August 29, 2005.

CNN: STORY HIGHLIGHTS

According to the CDC, it takes less than a minute for E. coli to be inactivated if chlorine levels are adequate, about 16 minutes to control Hepatitis A virus, about 45 minutes to kill off the Giardia parasite and over 10 days for a Crypto parasite.

CNN: Yuck! What's in your pool water

So if I am going through a disease or treatment that may kill me, I want to use my last days wisely.

FORBES: Are You Ready For The End Of Life?