The troopers followed behind, every muscle tensed for the sudden gunfire.骑兵尾随其后，精神高度紧张以防突袭。Under cross-examination, he admitted the state troopers used more destructive ammunition than usual.在反复盘问下，他承认该州警察使用了比平常更具破坏性的弹药。...
He pulled the lightened sled with all his strength.他用尽全力拉减轻了重量的雪橇。As they approached the outskirts of the city, Ella's mood visibly lightened...他们快到市郊时，埃拉的情绪明显好转。As they approached the outskirts of the city, Ella�...
The extraction condition and the stability red pigment from euphorbia pulcherrima were studied.研究了一品红色素的提取条件和稳定性.Objective To study the phenylpropanoid constituents from the roots Euphorbia hylonoma Hand - Mazz .目的研究九牛造根...