伽马刀

kē xué jiā zhèng zài shǐ yòng gā mǎ dāo lái zhì liáo nǎo bù jí bìng

科学家正在使用伽马刀来治疗脑部疾病。

Scientists are using gamma knife to treat brain-related problem.

gōng rén men xū yào yòng gāo kē jì shè bèi lái zhì zào gā mǎ dāo

工人们需要用高科技设备来制造伽马刀。

Workers need high-tech equipment to make gamma knife.