相关单词近义词 sympathetic 同情的, compassionate 有同情心的, rueful 悲伤的, contrite 悔悟了的, remorseful 悔恨的临近词Ruth, ruthenium catalysts, ruthenocenylalanine, ruthenium - based, Rutherford's theory, ruthenium complexes, ruthenium trichlodde, ruthenium dichloride, ruthenium cocatalyst, ruthenium sesquioxide, Rutherford' s formula 返回 ruthful