Diisopropyl succinate was synthesized from succinic acid and isopropanol with p - methyl benzenesulfonic acid as catalyst.摘要以丁二酸和异丙醇为原料及对甲基苯磺酸为催化剂,催化合成丁二酸二异丙酯.Diisopropyl phosphite was directly synthesized from phosphoru...
Marian retains a restless, youthful spirit, in search of new horizons.玛丽安怀着一颗年轻、不断进取的心去寻求新的天地。Her words widened his horizons.她的一番话使他的心里开豁了.If her marriage becomes too restrictive, she will break out and seek new horizons...
Child car seats only cost about £10 a week to hire.儿童汽车坐椅一周的租金才10英镑。Hire of skis, boots and clothing, is all available.滑雪板、滑雪靴和滑雪服皆有出租。Hire someone with experience, someone who knows about real estate.雇佣有经验、了解房地产业的人。...
该课程只招收12人，学费为50英镑。This course is limited to 12 people and costs £50.我每年将不得不付1万美元的学费。I'll have to cough up $10,000 a year for tuition.他得为尼娜付一大笔私立学校的学费。He will have to fork out for private school fees for Nina....
Position influence is externalism, mandatory with sex, and character force is inhesion, sex and long - term sex.职位权力是外在性 、 强制性和阶段性的, 而人格力量是内在性 、 根本性和长远性的....