例句：Our kids are playing football.
我們的小孩們?cè)谔咦闱颉?/p>
kidney n. 腎
例句：A primary function of the kidney is to remove unwanted substances from the blood
腎臟的主要作用是把廢物從血液中排除掉。
kit n. 成套工具，用具包
例句：The nurse has taken a first-aid kit.
護(hù)士已經(jīng)帶上了一套急救用品。
knit v. 紡織，密接
例句：I gave him a knitted shawl as a Christmas gift.
我送給他一條編織的披肩作圣誕禮物。
knob n. 節(jié)，旋鈕
例句：You may turn the right knob on the TV to switch it on.
你可以擰電視上右邊的旋鈕把它打開(kāi)。
