or vary the pitch of ( as the voice) 变音，转调

　　inflect: pitch= transfigure: appearance

　　pounce vi. to spring or swoop with intent to seize sb or sth; to seize sth swiftly and eagerly 猛扑，突然袭击，急切的抓住某物

　　pounce: seize 目的关系

　　shorthand n.速记法 shorthand：writing

　　gait: walk= mnemonic: remember

　　trough n. a long shallow often v-shaped receptacle for the drinking water or feed of domestic animals 食槽，波形谷

　　trough: receptacle= chevron: badge v形槽：v形臂章

　　tumescent adj. somewhat swollen 略有些肿的

　　tumescent: swollen= pebble: rock