石油が太いパイプの中を流れた。

oil; petroleum; kerosene

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

fat; thick; deep (of a voice); daring; shameless; brazen; lucky (billiards)

pipe; tube; channels, official or otherwise; (business) connections; tobacco pipe

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

inside; in; among; within; center (centre); middle; during; while

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to stream; to flow (liquid, time, etc.); to run (ink); to be washed away; to be carried; to drift; to float (e.g. clouds); to wander; to stray; to sweep (e.g. rumour, fire); to spread; to circulate; to be heard (e.g. music); to be played; to lapse (e.g. into indolence, despair); to pass; to elapse; to be transmitted; to be called off; to be forfeited; to disappear; to be removed