The basic substance Willis selected for the strata of his experiments was beeswax.威利斯在他做的试验中选择摸拟地层基本物质是石蜡.The titanium ascorbate was the substance of low toxicity to fish, shellfishand anura.抗坏血酸钛对鱼类 、 类及无尾两栖类皆为低毒物质.musi...
This substance has now been cloned by molecular biologists.该物质现在已被分子生物学家克隆。Syria will attend only if the negotiations deal with issues of substance.只有在谈判涉及重大问题时叙利亚才会参加。There is no substance in any of these allegations.这些...
There was a sincere expression of friendliness on both their faces.他们俩的脸上都流露出真挚友好的表情。She also loves the friendliness of the people.她也喜欢人们的友善。Their friendliness was only pretence.他们的友善态度只不过是装出来的。...
We are on the threshold of a new era in astronomy.我们很快就将迎来天文学的新纪元。Here she is on the threshold of womanhood.现在她将迈入成年期。She stood hesitating on the threshold.她站在门口，犹豫不决。...
The men stepped forward to kiss the hand of their mentor...这些男子走上前去轻吻他们导师的手。Eventually, he was excommunicated along with his mentor...最后，他和他的导师一起被开除教籍。one’s spiritual mentor某人的精神导师He fed on the great ideas of his mentor....
The librarians catalogued the new books.图书管理人员把新书编成目录.The teachers and librarians of ancient Alexandria did it.古代亚历山大城的教师和图书管理人员就曾做过这种工作.The students and the librarians query for books beyond the current list.同学和图书管理员询问现...