41.sack 粗布袋，袋
The potatoes were put into sacks.马铃薯装进了麻袋。
（前面与the连用）开除，解雇
to give sb. the sack解雇某人
I'll get the sack if I arrive at the office late!如果上班迟到，我就得被开除。
sack vt.装入袋中
The child sacked the toys.孩子把玩具装进了袋。
One of the workmen was sacked for drunkenness.有名工人因喝醉酒而被解雇。
to put the town to the sack洗劫城镇
42.Seal No. 铅封号
印信图案或纹章，只属于使用人：
a monarch's seal.皇帝的御玺
seal a blacktop driveway.在马路铺沥青
43.vacuum packaging 真空包装
Her death left a vacuum in his life.她的去世给他的生活留下一片真空。
vacuum vt.用吸尘器打扫（房间等）
to vacuum the carpet用吸尘器清洁地毯
44.water-proof paper bag 防水纸袋
45.wooden case 木箱
wooden adj.木(制)的;呆板的; 笨拙不灵的
a wooden bench木凳
a wooden manner笨拙的举止
46.wooden crate 板条箱
47.wrap 卷，包，裹
vt.①裹, 包; 缠绕; 捆 ②隐藏, 掩饰, 伪装 ③覆盖
wrap a book in a piece of paper用纸将书包起
wrap oneself up in a coat把身子裹在外衣里
The affair is wrapped in mystery.这件事真相不明。
vi. ①缠[盘]绕; 重叠 ②穿外衣; 围好围巾
(up) wrap up into a small package包成小包
Mind you wrap up well if you go out你出外的话要围好围巾 。
n. ①包裹(物); 覆盖(物) ②披肩; 毯子; 手帕; ③ 包裹物, 包装纸
use transparent film as a wrap用透明塑料纸作包装纸
a new weapon under wraps一种秘密的新武器
