V. cholerae is a gram-negative, curved bacteria which looks like little red or pink comma-shapes on a gram stain.

霍乱弧菌是革兰氏阴性弯曲细菌，在革兰氏上看起来浅红或粉红的逗号。

Nothing on gram stain. It looks like meningitis.

革兰氏没有结果 看着脑膜炎。

In the lab, when doing a gram stain, Clostridium perfringens is Gram-positive, or purple when Gram stained, and look like big cylinders or rods, also called bacilli.

实验室做革兰氏时，产气荚膜梭菌显紫（革兰氏阳性）：很个大圆柱或棒子，因此也叫杆菌。

When doing a Gram stain, Clostridium tetani stains purple— or gram positive— and it's a bacillus, meaning that it looks like a big cylinder or rod under the microscope.

革兰氏，破伤风梭菌显紫（革兰氏阳性），呈棒状：显微镜下外观一个巨大的圆柱体或棒子。

We do have tests called gram stains that detect bacteria, but they can't recognize endotoxins, which can be there even when bacteria aren't present.

我们确实有称为革兰氏的检测方法来发现细菌，但它们无法识别内毒素，即便在细菌不存在的情况下， 内毒素也可能存在。