“如果不”的英语

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&...