她听到轮胎轧过石子铺成的车道，发出嘎吱声。She heard the crunch of tires on the gravel driveway.脚踩着雪发出的嘎吱嘎吱声the crunch of feet on snow汽车快速驶过拐角时，轮胎又一次发出嘎吱声。The car's tires squealed again as it sped around the corner....
An elderly woman was strewing the floor with French chalk so that the dancing shoes would not slip.一位老妇人正在往地板上撒滑石粉以防止舞鞋打滑。What a mess! Look at the pajamas strewing on the bed.真是乱七八糟! 看看睡衣乱放在床上....
Heat the honey and brush it on to the outside of the loin.将蜂蜜加热后涂抹在腰子的表面。The loin is very slightly arched, of medium breadth and muscled.非常轻微的圆拱, 中等宽度,且肌肉发达.The back line appearing practically level from the shoulders to...
很多生物体中雄配子与雌配子是不同的.In many organisms the male and female gametes are different.雄配子不能与雌配子结合.The male gamete could not unite with the female.花粉是种子植物的雄配子体, 在有性繁殖中发挥著重要作用.Pollen is the male - gamete of seed plant, which plays...