The song of birds heralds the approach of spring.百鸟齐鸣报春到.The wind sweeping through the tower heralds a rising storm in the mountain.山雨欲来风满楼.In time heralds became the principal officers of these courts.后来纹章官成为这些法庭的主要官员....
Stir the batter every now and then to keep it from separating.不时搅动面糊，防止其成分散开。Stir the ingredients thoroughly.把这些材料彻底搅和起来。With plenty of experiments, the parameters of copperplate friction stir welding are optimized.通过大量试...