病人的意义

latent learning───[动]潜伏学习

hidden meaning───隐含意义

literal meaning───字面意义，字面意思；字义

parents evenings───父母之夜

parents' evening───家长之夜

patent medicine───成药；[药]专利药品

precise meaning───确切的含义

Each of the studies was a "randomized" trial, meaning participants and doctors didn't get to choose which treatment the patients got; instead, the assignments were made by chance.───每项研究都是随机的，参与者和医生对患者的治疗方法不做选择，随机分配。

Asking patients "Do you ever fall asleep without meaning to?" may help clarify their complaint.───询问病人“你是否在没有打算睡觉的时候而睡着了？”也许有助于弄清他们的病因。

Asking patients "Do you ever fall asleep without meaning to?"───询问病人“你是否在没有打算睡觉的时候而睡着了？”

Some blood is already 21 days old before it reaches patients, meaning it only has around a week-long shelf-life before it must be discarded.───此外，当有些血液在送到病人面前时已经过了21天，这就意味着离报废只有一周左右的时间。

Some blood is already 21 days old before it reaches patients, meaning it only has around a week-long shelf-life before it must be discarded.