杀菌剂被用于在注射前给皮肤消毒.Antiseptic is used to sterilize the skin before giving an injection.他们正在检测这种草药作为杀菌剂的有效性.They're doing tests to evaluate the effectiveness of this herb as an antiseptic.氯是一种高效的杀菌剂，用途十分广泛。Chlorine is a...
他家在牛津郡有一座乡间宅第。His family have a country seat in Oxfordshire.18世纪的乡村宅第an 18th century country mansion那是典型的英式庄园宅第。It was the quintessence of an English manor house....
他开始用一种带有鼻音的、抑扬顿挫的声调说话。He started to speak in a nasal sing-song voice.“他可真是太好心了，”埃莉诺声调呆板地说道。"That's most kind of him," Eleanor said tonelessly.亲切的声调an amiable tone of voice...
Even a written apology failed to placate the indignant hostess.甚至一纸书面道歉都没能安抚这个怒气冲冲的女主人。He smiled, trying to placate me.他微笑着，想要安抚我。The concessions did little to placate the students.让步根本未能平息学生的愤怒。He never attempts to plac...