若要调大带电抗器的交流电焊机的焊接电流，可将电抗器的（）。
A、铁心空气隙调大—Davidhasmadegreatprogressrecently.—_______，and_______.
“Woman”becomes“Frau”inGerman,“femme”inFrenchand“fùnǔ”inChinese.Thisexampleshowsthatindifferentlanguagesthesameconceptcanberepresentedbydifferent______.
Theword“minister”originallymeant“aservant”,butnowhaschangedto“aheadofaministry”.Thisprocessofmeaningchangeiscalled______.
英文翻译：在经济危机之后，人们不再认为他们房子的价值会继续升高。
______ofmeaningisaprocessbywhichawordthatoriginallyhadaspecializedmeaninghasnowbecomegeneralized.
