点击下方单词,选择对的这个单词
点击下面链接下载与本句相关的学习资源，包括PDF教材和音频练习，方便课后复习：
1. 巴比妥酸盐（用于镇定或催眠的药物）A barbiturate is a drug which people take to make them calm or to help them to sleep.
1. organic compound having powerful soporific effectoverdose can be fatal
多通过句子记忆单词，而不是单独死记硬背。
