点击下方单词,选择对的这个单词
1. 士的宁;马钱子碱Strychnine is a very poisonous drug which is sometimes used in very small amounts as a medicine.
1. an alkaloid plant toxin extracted chiefly from nux vomicaformerly used as a stimulant
多通过句子记忆单词,而不是单独死记硬背。