我们听到了谄媚的笑声。We heard the sound of sycophantic laughter.他谄媚地对着温格微笑鞠躬。He smiled and bowed obsequiously to Winger.该办公室乃是自私者与谄媚者汇集之处.The office is a menagerie of egotists and sycophants....
我寄了信, 但留了份影印本存档.I sent the letter, but kept a copy for my files.校长把我校的所有报告都存档保存.The principal keeps all our school reports on file.清点完所定购的每一件东西后，将这份记录存档。Once you've checked off the items you ordered, put this record...
N - hydroxyethylpyrrolidone ( NHP ) was synthesized from � � - butyrolactone and ethanolamine on Y molecular sieve catalyst by two steps.以改性Y分子筛为催化剂,γ-丁内酯和乙醇胺为原料,采用γ - 丁内酯法两步合成N - 羟乙基吡咯烷酮 ( NHP )....