1. expose,使暴露于;使接触到。 段中的 I have been exposed to Chinese medicine指我已经接触到中医学。
eg:They had not been exposed to most diseases common to urban populations.
他们未曾遭遇城市人口常得的大多数疾病。
2. cold做名词有伤风和感冒的意思。 get a cold，患感冒。
eg:I have got a cold recently.
近来我感冒了。
3. in line with,与...一致。
eg:Your plan is in line with my ideas.
你的计划符合我的想法。