名詞 patrol:

1. a detachment used for security or reconnaissance
2. the activity of going around or through an area at regular intervals for security purposes
3. a group that goes through a region at regular intervals for the purpose of security

動詞 patrol:

1. maintain the security of by carrying out a control
   同義詞：police

1. We'll have to chance meeting an enemy patrol.
   我們不得不冒著可能遇上敵人巡邏兵的危險(xiǎn)。
2. The patrol was waylaid by bandits.
   巡邏隊(duì)遭到土匪伏擊。
3. They laid an ambush for the enemy patrol.
   他們埋伏起來準(zhǔn)備伏擊巡邏的敵人。

pa.trol

n.（名詞）
The act of moving about an area especially by an authorized and trained person or group, for purposes of observation, inspection, or security.
巡邏，巡視：為了觀察、視察或安全，在某一地區(qū)來回走動，尤指由授權(quán)或受訓(xùn)的人或隊(duì)伍四處巡視
A person or group of persons who perform such an act.
巡邏隊(duì)（或人）：執(zhí)行這樣的行動的人或隊(duì)

A military unit sent out on a reconnaissance or combat mission.
偵察隊(duì)：被派遣的偵察隊(duì)或戰(zhàn)斗團(tuán)
One or more military vehicles, boats, ships, or aircraft assigned to guard or reconnoiter a given area.
巡邏部隊(duì)：被派保衛(wèi)或偵察某一指定地區(qū)的軍事車輛、船只、艦艇或飛機(jī)
A division of a Boy Scout troop consisting of between six and eight boys.
童子軍小隊(duì)：由六到八歲童子軍組成的小隊(duì)
v.（動詞）
pa.trolled,pa.trol.ling,pa.trols
v.tr.（及物動詞）
To engage in a patrol of.
巡邏…
v.intr.（不及物動詞）
To engage in a patrol.
巡邏，巡視

來源：
French patrouille
法語 patrouille
from patrouiller [to patrol]
源自 patrouiller [巡察，巡邏]
alteration of Old French patouiller [to paddle about in mud, patrol]
古法語 patouiller的變化 [在泥漿中走動，巡邏]
probably from pate [paw] * see patois
可能源自 pate [爪] *參見 patois

【引伸】
patrol.ler
n.（名詞）