strengthen的一般过去时怎么写

strengthen的近义词/同义词有：restore, nourish, intensify, buttress, brace, bolster, beef, vitalize, prop, renew, up, shore, heighten, steel, harden, temper, fortify, build, energize, reinforce, invigorate, give, a, to, up, step, ...

strengthen的音标：strengthen的英式发音音标为：['streŋθn]strengthen的美式发音音标为：['strɛŋkθən,'strɛŋ-,'strɛn-]...

strengthen的反义词有：weaken, weaken, abate。vt. & vi.strengthen的反义词（加强;激励）：weaken。strengthen的反义词（其他释义）：weaken, abate。...

strengthen的现在完成时为：strengthened...

His visit is intended to strengthen ties between the two countries.他此次访问旨在增进两国间的关系。In a strange way, his affair caused our relationship to strengthen.奇怪的是，他的婚外恋倒使我们之间的关系更加紧密了。I am also looking urgently at how we can stre...

strengthen的现在进行时为：strengthening...

vt.加强，巩固，勉励，激励，增加…的艺术效果，（价格）上涨vi.变强，变坚挺...

strengthen的第三人称单数（三单）为：strengthens...

In order to strengthen corona effect, arista electrode used as substitute for grid electrode was presented.为了加强电极电晕效果, 提出了用芒刺电极代替栅网电极.A triangular metal bracket used to strengthen a joist.用于加固托梁的金属板.And they will have to...