筒 ⇒
筒 tǒng, [筩], tube/cylinder/to encase in sth cylindrical (such as hands in sleeves etc), varia...
话筒 huàtǒng, [話筒], microphone/(telephone) receiver/handset
手电筒 shǒudiàntǒng, [手電筒], flashlight/electric hand torch
火箭筒 huǒjiàntǒng, bazooka/rocket launcher
电筒 diàntǒng, [電筒], flashlight
听筒 tīngtǒng, [聽筒], telephone receiver/headphone/earphone/earpiece/stethoscope
邮筒 yóutǒng, [郵筒], mailbox/pillar box/(old) letter
圆筒 yuántǒng, [圓筒], circular cylinder/drum
出气筒 chūqìtǒng, [出氣筒], (metaphorical) punching bag/undeserving target of sb's wrath
万花筒 wànhuātǒng, [萬花筒], kaleidoscope
滚筒 gǔntǒng, [滾筒], roller/cylinder (machine part)/drum
竹筒 zhútǒng, bamboo tube/bamboo pipe
气筒 qìtǒng, [氣筒], inflator/bicycle pump
筒子 tǒngzi, tube-shaped object/tube/bobbin/(Internet slang) homonym for 同志[tóng zhì]
笔筒 bǐtǒng, [筆筒], pen container/brush pot
套筒 tàotǒng, sleeve/a tube for wrapping
传声筒 chuánshēngtǒng, [傳聲筒], loudhailer/megaphone/one who parrots sb/mouthpiece
井筒 量筒 liángtǒng, graduated measuring cylinder/volumetric cylinder
浮筒 筒子楼 卷筒 信筒 xìntǒng, mailbox/postbox
药筒 烟筒 yāntong, [煙筒], chimney/stovepipe/smokestack
水烟筒 筒裙 炮筒子 袜筒
阀 ⇒
阀 fá, [閥], powerful individual, family or group/clique/(loanword) valve
阀门 fámén, [閥門], valve (mechanical)
军阀 jūnfá, [軍閥], military clique/junta/warlord
气阀 安全阀 ānquánfá, [安全閥], safety valve
调节阀 节流阀 jiéliúfá, [節流閥], a throttle
控制阀 排气阀 止回阀 财阀 cáifá, [財閥], plutocracy/monopolistic corporation, esp. prewar Japanese zaibatsu/Korean chaebo...