引路上车辆行驶缓慢。The traffic on the approach road slowed to a crawl.宽阔的马路被缓慢前行的车辆堵得严严实实。The wide road was blocked solid with traffic that moved along sluggishly.钻头必须缓慢转动，以保证钻孔平整光滑。The drill should be slowly rotated to ensure a ...
Isoamyl butyrate was synthesized by using ceric sulfate as the catalyst.以硫酸高铈为催化剂,正丁酸和异戊醇为原料合成了正丁酸异戊酯.In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.在乙腈、聚...
他们的水在几周以前就毫无理由地被切断了。Their water was turned off weeks ago without explanation.志愿者记录下他们一周所吃的所有食物。The volunteers kept a record of everything they ate for a week.新的饮食类书籍差不多一周出一本。New diet books appear at a rate of nearly one ...
胚细胞和糊粉层中的代谢活性立即活跃起来.Metabolic activity quickly develops in the cells of the embryo and the aleurone layer.这些囊胚细胞, 称卵裂球, 每个细胞都有一套二倍体染色体组.The cells of the blastula , called blastomeres, also each receive a full diploid set...