top-ranking

adj [attrib 作定语] of the highest rank or importance; leading 最高级的; 最重要的; 主要的.

toothed, toothily, toothless, toothpaste, toothpick, toothsome, toothy (-ier, -iest), tootle, top, top drawer, top gear, top hat (also topper), top secret, top ten, top twenty, top-boot, top-dress, top-dressing, top-flight, top-heavy, top-notch, top-up, topaz, topcoat, topi, topiary, topic, topical, topicality, topically, topknot, topless, topmost, topographical, topographically, topography, topper, topping, topple, tops, topside,