字典網>> 英漢字典>> B開頭詞條>>be of assistance to sb的意思 漢英字典be of assistance to sb中文翻譯：有利於某人字典網相關詞條：be associated with... betula lenta l benaznphthalide benzoquinonium chloride be a fool for one's pains beading beat knee be sweet to sb be awake to... behind time