contraindication n禁忌征候
49.credit n. 信用证，
50.customs declaration form 报关单，通关申报表格
51.date of treatment 处理日期
date n.日期;日子
What is the date today?今天是几号?
Many ruins of Roman date are to be seen in the south of France.
许多古罗马时代的遗迹可以在法国南部看到。
treatment n.待遇;处置;处理;治疗
His treatment of the animal was cruel.他对待这只动物很残忍。
治疗法;治疗药品
The doctor’s treatment cured him.医生的治疗使他的病痊愈了。
52.deratting certificate 除鼠证书
53.deratting exemption certificate 免予除鼠证书
exemption certificate免除证书
exemption n. 解除， 免除， 免税
54.district free from infectious disease 安全非疫区
district n. 行政区;地域;区域
a postal district 邮政区
She doesn’t live in this district.她不住在这个区。
Each living district in the city is fenced in / round with elms.城内每个生活区的四周用榆树修成篱笆。
55.divisible L/C 可分割信用证
divisible adj. 可除尽的(数)
8 is divisible by 2. 8可被2除尽。
56.document 单据，文件
document vt.用文件证明
to be well documented有许多文件证明
57.documentary credit 跟单信用证
documentary adj.纪实的(影片)
a documentary about coal miners反映煤矿工人的纪录片
58.documentary draft 跟单汇票
draft n.草稿;草图;银行汇票;
a cold draught under the door门底下的冷风
59.draft 汇票，草案
60.duplicate 复本，副本adj. 双重的;两个一样的
a duplicate key两把完全一样的钥匙
