释义 |
DEFINITIVE EXAMPLES 权威例句〔advance〕Advance booking is essential.提前预订是十分必要的。外研社新世纪〔colour〕She had resumed the travel necessary to add depth and colour to her novels.她重又恢复了旅行, 那对于其小说增加深度及趣味性十分必要。外研社新世纪〔preparation〕Careful preparation for the exam is essential.认真准备考试十分必要。牛津高阶〔water of crystallization〕Water in chemical combination with a crystal, necessary for the maintenance of crystalline properties but capable of being removed by sufficient heat.结晶水:与晶体化学结合的水,对保持晶体特征十分必要,但能够被足够的热量除去美国传统 |