英语语法分析

Based on my doctor's recommendation, I hesitantly tried Accutane in high and strong dosages, but nothing happened.

根据我医生的建议时，我迟疑地试图维甲酸在高剂量和强有力的，但什么也没有发生。

Yesterday's committee followed suit, recommending that strict limits on access to Accutane be eased - but only a bit.

昨天，委员会根据诉讼，建议对粉刺药的严格的限制应该放松一点-但只是一点。

It's known that retinoids can damage the developing fetal nervous system, which is why Accutane cannot be given to pregnant women.

众所周知类视黄醇嫩能够损伤正在发育的胎儿的神经系统，因此孕妇不能使用。