The engineers carried the railroad across the desert.工程师们将这条铁路延伸，使之越过沙漠。Bridges over railroad tracks root danger out in crossing.铁轨上空的天桥排除了穿行中的危险.Guns fired witheringly at the railroad cars.枪一起对着列车车厢猛烈地、摧毁性地扫射.The steamb...
The railroad finally reached Santa Barbara in 1877.铁路终于在1877年修到了圣巴巴拉。Bridges over railroad tracks root danger out in crossing.铁轨上空的天桥排除了穿行中的危险.The railroad connects two cities, namely, New York and Chicago.这条铁路连接两个城市, 即纽...
增溶溶解对于任何要纯化的蛋白质都是必需的.Solubilization is required of any protein to be purified.纯化的ALA纯度达到90%.The purity of ALA after purification is up to 90 %.任选的是, 可用加氢催化剂将纯化的二聚异丁烯加氢生成异辛烷.Optionally, the purified diisobutylene may be h...
利奥，你来做饭前祷告吧？Leo, will you say grace?每次两片，饭前用水冲服。Take two tablets with water before meals.饭前喝一杯啤酒使他轻松了.A glass of beer before dinner helped him unwind....