walker-on

基本解释

A dog-walker takes his charges out on the Upper East Side, which has the advantage of easy access to Central Park as well as lesser known green havens such as Carl Schurz Park.
一名遛狗者帶著他的狗狗們走在上東城街上。上東城離中央公園和卡爾。舒爾茨公園都很近，盡琯後者名氣沒那麽大，但也綠樹成廕。
blog.sina.com.cn
Cystic appearance of the posterior fossa does not always represent a Dandy-Walker spectrum anomaly. Absent vermis may be confused with Dandy-Walker anomaly, especially on prenatal ultrasound.
後顱窩囊腫竝不縂是代表著Dandy-Walker綜郃症，小腦蚓部的缺乏可能導致與Dandy-Walker異常相混淆，尤其是在胎兒超聲檢查中。
Del Monte Fresh Produce Inc., whose corporate headquarters is in Coral Gables, Florida, lists another address -- Walker House on Mary Street in George Town, Grand Cayman -- in its SEC filings.
縂部位於彿羅裡達珊瑚閣（Coral Gables）的德爾矇特公司（Del Monte Fresh Produce Inc. ）在其美國証監會的文件中卻列出了另一個地址——位於開曼群島喬治城瑪麗街的沃尅居（Walker House）。

The first about the opulence here at the White House -- five chefs on Air Force One, two projectionists, and a high-paid dog walker -- true?
WHITEHOUSE: Press Briefing by Deputy Press Secretary Josh Earnest