Pith

(noun.) soft spongelike central cylinder of the stems of most flowering plants.

(verb.) remove the pith from (a plant).

阿弗丽达整理

• Another and cheaper product experimented with is the pith of the cornstalk, which is much lighter than the cocoanut fiber and serves the same purpose. 佚名. 神奇的知识之书.
• The first method that suggested itself was to transmit signals by means of pith-ball electrometers. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• That was the pith of the information with which Holmes left the office of the Adelaide-Southampton company. 阿瑟·柯南·道尔. 福尔摩斯归来记.
• To produce all the requisite signals with a single pith-ball electrometer, it was necessary to vary the durations of each divergence, and to combine several to form a single symbol. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• That the prongs are in motion, however, is seen by the action of a pith ball when brought in contact with the prongs (see Section 250). 伯莎M.克拉克. 科学通论.
• I kept myself up with proverbs as long as I could; Pride must abide,--and such wholesome pieces of pith; but it was of no use. 伊丽莎白·盖斯凯尔. 南方与北方.
• In this manner the person at the receiving station, by attentively watching the pith-balls, and noticing the letter that appeared at the instant of collapse, could read the messages signalled. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• The community was like a pithed animal in the hands of the governing class. 赫伯特·乔治·威尔斯. 世界史纲.

艾达校对