The custom is of Scottish derivation.这风俗起源于苏格兰.The derivation of its name is obscure...其名字的由来鲜为人知。For example cons - tance variation , inequality analyze technique, Gronwall - Bellman inequality and clas - sical Liapunov...
Doctors are complaining about being barraged by drug-company salesmen.医生们抱怨他们疲于应付医药公司的销售人员。She's kicked her drug habit and learned that her life has value.她已经戒了毒，并且认识到了生命可贵。They have been treated with this drug in c...
他用细绳捆包裹.He tied the parcel with twine.这些书是用细绳捆起来的.The books were tied with string.仅仅是靠缠在门柱钉子上的一小段细绳把门关紧。Only a bit of string looped round a nail in the doorpost held it shut....