contact transmission的用法和样例：
例句
- Experts say it requires close contact.
专家表示，该病通过近距离的接触传播。 - Granuloma inguinale is a bacterial infection transmitted by sexual contact.
热带腹股沟肉芽肿是一种由性接触传播的细菌性传染病。 - The disease is not spread by casual contact.
此病不会通过偶然接触传染。 - The disease can also be passed on through infected droplets expelled by coughing, although the far higher risk comes from tongue contact in kissing.
尽管这种疾病主要是经由接吻时舌头接触传染，但也会经由带菌者咳嗽时的飞沫传染给别人。
