early 14c., "allotted part, share," from Old French porcion "part, portion" (12c., Modern French portion) and directly from Latin portionem (nominative portio) "share, part," accusative of the noun in the phrase pro portione "according to the relation (of parts to each other)" (see proportion). From late 14c. in general sense of "section into which something is divided."
portion (v.)
"to divide in portions," early 14c., from Old French porcioner "share out, divide in portions," from porcion (see portion (n.)). Related: Portioned; portioning.
权威例句
1. A large portion of this cost devolves upon the patient.
这笔费用的很大一部分落在病人身上。
2. Damage was confined to a small portion of the castle.
城堡仅有一小部分受损。
3. I have spent a fairly considerable portion of my life here.
我生命中相当长的一段时光是在这里度过的。
4. I had learnt a portion of the Koran.
我学过一点儿《古兰经》。
5. Three thousand dollars is no more than a portion.