6.shatter v. 粉碎，破灭，碎裂
例句5.The flying debris shattered the window.
7.shepherd n. 牧民，牧羊人
8.shield n. 盾，屏障；v. 防护，保护
²shelter
例句6.protect, Parents shielded their children from harm.
9.shift v./n. 转移，移动，转变
²transfer, move, conversion
10.sign n. 符号，标记，招牌； v. 签(名)，签署
²signal n. 信号，暗号； v. 发信号，打信号；signature n. 签名，签字；significance n. 意义，重要性 ；signify v. 意味，预示
例句7.She signify her disagreement.
例句8.Please signify agreement by raising your hands.
