No hothouse or herbarium contains anything comparable; no wilted , browned specimens pressed between paper rival it.它们精细到连根部微小的短硬毛也模仿得栩栩如生, 就像生长在土壤中的植物....
This method does not need to be either safe or idempotent.该方法不需要安全或者等幂.In this paper , we study nonnegative generalized idempotent matrices in detail.本文给出了一般非负广义幂等矩阵的充要条件.This matrix is idempotent.这个矩阵是等幂的....
A pigeon emerges, wings flapping noisily, from the tower.一只鸽子从塔里钻出来，扑扑地拍打着翅膀。I don't care where the money comes from — that's not my pigeon.我不管钱从哪儿来,那不是我的事.The pigeon homed from a distance of 100 miles.鸽子从百英里之外...