kid n.小孩v.哄骗，取笑
例句：Our kids are playing football.
我们的小孩们在踢足球。
kidney n.肾
例句：A primary function of the kidney is to remove unwanted substances from the blood
肾脏的主要作用是把废物从血液中排除掉。
kit n.成套工具，用具包
例句：The nurse has taken a first-aid kit.
护士已经带上了一套急救用品。
knit v.纺织，密接
例句：I gave him a knitted shawl as a Christmas gift.
我送给他一条编织的披肩作圣诞礼物。
knob n.节，旋钮
例句：You may turn the right knob on the TV to switch it on.
你可以拧电视上右边的旋钮把它打开。