feed的過去式過去分詞

　　We brought along pieces of old bread and fed the birds.

　　我們帶了幾片陳面包來喂鳥。

　　The Fed cut the rate a full percentage point to 3 percent.

　　美聯儲把利率降低整整一個百分點，到3百分之三。

　　The Fed has already eased rates three times since late October.

　　美聯儲自十月底以來已三次降低利率。