displace; substitute; supersede; substitution; replacement; permutation; transposition; transposing; replacing; metathesis; displacement 短语和例子置换出来 cement out; 锌置换了稀酸中的氢。 zinc displaces the hydrogen of dilute acids 置换率;置换比: displacement ratio骨置换: bone replacement核置换: nucleus substitution互置换: double replacement基置换: radical substitution下载手机词典可随时随地查词查翻译