快好知 kuaihz


doohickey造句
1 A doohickey is an apple corer, peeler and slicer. 2 This doohickey is one of the greatest inventions of all time. 3 I want the doohickey in the middle of the bench. 4 As the doohickey hummed away at a very high frequency—a whopping 6 billion cycles per second—the "piezoelectric" material in it produced a warbling electric field that was easy to detect. 5 LL : Well, first you stick the entire doohickey on a flat surface of a table. 6 LL: Put the apple here like this And then turn the handle the doohickey.