Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一种乐趣,除非一天其中一根火柴不幸燃烧起来。
It is said that the nerve poison is the more primitive of the two, that the blood poison is, so to speak, a newer product from an improved formula.
据说,神经毒液在两种毒液中是较为原始的一种,而溶血性毒液,打个比方说,是根据改良配方生产的一种较新的产品。