大街的两旁种着蓝花楹，绽放的花朵汇成一片紫色的海洋。The avenues lined with jacaranda trees burst into a carnival of purple.广场上挤满了人，鹅卵石铺就的街道上满是五颜六色的花朵。The square was packed, and the cobbled streets flowed with coloured petals.这有助于新生发植株的成熟，令其开出繁茂的花...
After Mike left for work I stripped the beds and vacuumed the carpets...迈克去上班后，我扯下了床罩并用吸尘器清扫地毯。I vacuumed and dusted the living room.我用吸尘器打扫了客厅，擦了擦灰尘。I vacuumed the carpets today.今天我用吸尘器清洁了地毯。After Mike left for work I s...
When pollen maturating , many small calcium precipitates distributed in its cytoplasm, especially in nucleus.接近开花时的成熟花粉粒细胞质中, 细小的钙颗粒主要分布在营养细胞和生殖细胞中.Water precipitates camphor from its alcoholic solution.水能把樟脑从其酒精溶液中淀析出来....
Wendy is the real live wire of the department who motivates all the others.温迪是这个部门的活跃分子,对其他人很有激发力.I don't want to be missing out. And that motivates me to get up and do something every day.我不想被落下。这促使我行动起来每天做点事。This ...
We have already met one series of specific enol equivalents.我们已经遇到过一系列有特效的烯醇等当物.This complex reaction is characterized by a keto - enol tautomerism equilibrium and ester exchange reaction.此螯合反应是由酮一烯醇互变异构平衡过程和酯交换反应组成.Keto...
A method for constructing of bivariate nonseparable scaling function is presented here.给出由任意二维正交尺度函数构造二维不可分尺度函数的方法.Objective To analyze the partial correlation problems by multilevel bivariate models.目的探讨利用双变量多水平模型分析多重相关...
The Normans built the castle which was reduced to ruins under Cromwell.诺曼人建造了这座后来在克伦威尔统治时期变成废墟的城堡。The Normans conquered England in 1066.诺曼人于1066年征服了英格兰。Normans from South Italy and Spain, nobles and knights, answered the...
臭氧是一种非常活跃的氧气形态。Ozone is a highly reactive form of oxygen gas.臭氧由氧气和紫外线发生反应而产生。Ozone is produced by the reaction between oxygen and ultra-violet light.密封的飞机内很少需要补充氧气。Supplementary oxygen is rarely needed in pressurized ai...