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，在革兰氏染色上看起来像浅红色粉红色。

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.

实验室做革兰氏染色时，产气荚梭菌显紫色（革兰氏阳性）：很像个大圆柱，因此也叫杆菌。

Nothing on gram stain. It looks like meningitis.

革兰氏染色没有结果 看着像脑炎。

Still growing. Nothing on Gram Stain. It looks like meningitis.

革兰氏染色也没有什么结果 看上去象脑炎。

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.

革兰氏染色中，破伤风梭菌显紫色（革兰氏染色阳性），呈状：显微镜下外观像一个巨大圆柱体。

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染色检测细菌测试，但它们无法识别即使不存在细菌也可能存在内毒素。