睡衣和雨衣能对付这里变化无常的天气，还有杀虫粉可灭虫、挂衣钩能栓在柱子上挂衣服；
A dressing-gown and a thick waist-coat were useful provisions against abrupt changes in the weather. Insect powder should also be among the items packed;
胡椒碱一种晶体固体，C17 H 19 NO3，自黑胡椒粉中提炼，用作香料和杀虫剂。
A crystalline solid, C17H19NO3, extracted from black pepper and used as flavoring and as an insecticide.
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