When the tree falls, the monkeys scatter.“树倒猴狲散. ”The text falls into three paragraphs.这篇课文共分3段.The chapter falls into three sections.这一章共分三节。Indoor pollution falls into two categories, that which we can see or smell, an...
牙斑如果不清除就会导致牙齿蛀蚀和牙龈疾病。When not removed, plaque causes tooth decay and gum disease.如果不去动的话，冬萝卜会在春天开花结籽。If unused, winter radishes run to seed in spring.如果不多加注意，你就会失去女孩般的苗条身段。You'll lose your girlish figure if you don&...