transmission by contact的用法和樣例：
例句
- The disease is not spread by casual contact.
此病不會(huì )通過(guò)偶然接觸傳染。 - The disease can also be passed on through infected droplets expelled by coughing, although the far higher risk comes from tongue contact in kissing.
盡管這種疾病主要是經(jīng)由接吻時(shí)舌頭接觸傳染，但也會(huì )經(jīng)由帶菌者咳嗽時(shí)的飛沫傳染給別人。
