square brackets

the marks [] 方括号 []. =>App 3见附录3.

spy, spy-glass, spyglass, Sq, Sqn Ldr, squab, squabble, squad, squad car, squaddie (also squaddy), squadron, squadron leader, squalid, squalidly, squall, squally, squalor, squander, squanderer, square, square dance, square knot, square leg, square measure, square root, square-bashing, square-shouldered, square-toed, squarely, squareness, squarish, squash, squashy, squat, squatter, squaw, squawk, squeak, squeaker, squeakily,