She kicked him, tugging his thick hair.她一边踢他，一边扯着他那浓密的头发。" There is nothing,'she said shortly, tugging at his arm." 没什么, " 她简地答道, 一面拉着他的胳臂.The child was tugging her toy cart round the garden.那个孩子绕着花园拖拉着她的玩具车....
莫奇生的眼睛追随着他的时计的秒针.Murchison followed with his eye the hand of his chronometer.生产精密时计的专家们的手工调试在这一工序中起着关键性的作用.The chronometer - maker's expert hand plays an essential role in this process.早期的时计技术家并不死命追求精确.Early chronot...
那次偷袭是一种不正当的侵略行径。The raid was an unjustifiable act of aggression.所有那些削尖脑袋向上爬的可耻行径！All that vulgar social-climbing!我们一定要向报社揭露这一无耻行径.We must expose this shameful activity to the newspapers....
N - acetylcysteine a precursor of glutathione in cells, is a thiol antioxidant.乙酰半胱氨酸是细胞内还原性谷胱甘肽的前体, 是一种含有巯基的抗氧化剂.Thus, glutathione provides important protection against many environmental hazards.谷胱甘肽因而对许多环境有害物提供了重要的保障....