The disease starts either as a cancerous tumor, or it starts when a cyst becomes cancerous.

该疾病性，或者囊变。

Most of the families.my friends have people that's cancerous.

几乎所有的家庭，我的朋友都有得症的人。

Patients in the study first receive treatment to destroy cancerous cells.

该研究中的患者首先接受摧毁细胞的治疗。

Many of these genes have been found by looking at cancerous cells.

这些改造过的基因被认为参与了这个过程。

When they can't reproduce, cancerous cells dieoff instead of becoming dangerous.

若细胞无法复制，它们就会消亡从而不（对人体）造成威胁。

If you have DNA in a cell, and that cell is cancerous.

如果细胞有DNA，而且细胞是细胞。

She had the cancerous tumor removed along with parts of her neck.

她切除了性以及颈部的部分区域。

Freckles are usually harmless, but some skin spots can be cancerous – connected to cancer.

雀斑通常是无害的，但一些皮肤斑可能会致——与症有关。

So cancerous tumors or cysts can't be seen or felt.

所以人们看不见也感觉不到性或囊。

Doctors discovered and removed a large growth from his colon. The growth was cancerous.

医生在他的结肠中发现了一大块生长物，并将之切除。这个生长物是恶性。

This is an example of identifying cancerous areas of human tissue under a microscope.

这个是用显微镜识别组织变区的例子。

What about cancerous Nitrosamines already present in bacon, frankfurters or salami thanks to heat processing.

由热处理，培根、法兰克福香肠或意大利腊肠中已经含有致的亚硝胺。

A drop of water on the pen pulls molecules from the suspected cancerous tissue during surgery.

在手术过程中，在这种笔上滴一滴水就能从疑似症组织中提取出分子。

A lot of cancerous cells are needed for research, most of them are grown in this room.

研究需要大量细胞，其中大部分都是在这儿培育而来的。

Let's look at a healthy liver cell, a healthy hair cell, and a cancerous cell.

让我们分别看看一个健康的肝细胞，一个健康的毛发细胞，和一个变细胞。

We now know that dogs like Max are smelling the tiny volatile chemicals given off by cancerous tumours.

我们发现像马克斯这样的狗能够闻出症散发的细微化学信号。

Doctors can also then test the polyp for cancerous cells.

医生然后通过息肉来检查细胞的存在。

So, a germ cell ovarian cancer refers to situations where these precursor germ cells become cancerous and form tumors.

因此，卵巢生殖细胞就是指位卵巢的生殖细胞变形成的。

Well, Nitrosamines are the cancerous compounds suspected to form from the nitrate and nitrites found in processed meat.

人们怀疑亚硝胺是由加工肉类中的硝酸盐和亚硝酸盐形成的症化合物。

But with a little training, dogs can accurately pick out a cancerous patient from a selection of urine samples.

只要稍加训练狗就能准确地在众多尿检样品中分辨出谁有症。