It's a good chance to broach the subject.这是开始提出那个问题的好机会.Complete crystal shape, high diaphaneity and low impurity. Suitable for circular saws, frame saws and geological broach.晶体完整, 透明度高,杂质含量低,晶形与晶体强度性能优越. 使用于圆锯切片 、...
Jeff had shopped extravagantly for presents for the whole family.杰夫花了很多钱为全家人买礼物。Fraudsters are often shopped by honest friends and neighbours.诈骗犯经常会被正直守法的朋友和邻居告发。He shopped around for a firm that would be flexible.他到处寻觅一...
The gestation period can be anything between 95 and 150 days.妊娠期从95天至150天不等。a baby born at 38 weeks' gestation怀孕38周时出生的婴儿This film was two years in gestation.这部电影酝酿了两年....
We have, therefore , in both of the examples above, heterocyclic compounds with " built - in " or latent functionality.上述两例中的杂环化合物,都具有 “ 固有的 ” 或潜在的官能基.Morphine: Heterocyclic compound, narcotic analgesic alkaloid original...
Tractors and container lorries have completely obstructed the road.拖拉机和集装箱货车已经将这条路完全堵死了。Nowadays tractors are used even in remote mountainous regions.现在连偏僻的山区也用上了拖拉机.All the tractors except this are good in quality.除了这台拖...