Three-pole circuit breaker
[電] 三極斷路器
?? 詞語組成解析
three
[θri]
num. 三;三個;第三（章，頁等）;
n. 三歲;三個人[東西];三，三個;
adj. 三的;三個的;
pole
[pol]
n. [物]極點，頂點;地極;桿;兩極端;
vt.& vi. 用篙撐船，擺船;
vt. [航海] 用一根桿來推動;以桿推進;以桿支撐（植物）;用桿子擊打、戳、或攪拌;
vi. 用滑雪杖加速;
breaker
[['breik?]]
n. 斷路器\\n[化] 破碎機
??? 情景例句
Only a five percent discount? How about twenty percent?
只打九五折？八折怎么樣？
You think too much.
你想太多了。
OK. We can get some more tomorrow. We should finish the floor now. Can you take the other end of this piece of wood? Now you have to pull it to make the surface smooth like that.
好吧。我們明天再多買些。現在我們應該把地板弄好。你能抓住木板的另一端嗎？現在你要來回拉動木板，使它的表面象那塊兒木板一樣光滑。