无码的英文：
code absence
n. 代号，代码；规则，规范；礼教习俗；法典，法规
v. 为...编码
Can you break the code?
你能破解这个密码么？
The histone code will not be easy to crack.
组织蛋白的密码不是那麽容易破解的。
Every order is coded separately.
每份订单都单独编号。
You must abide the highway code.
你必须遵守公路法规。
The access code is invalid.
访问码无效。
n. 缺席；离开；不在某处；不在某处的次数或时间；缺乏；不存在
His absence implicates disagreement.
他的缺席意味着他不同意。
He was disgruntled at their absence.
他对他们的缺席不满。
Freedom is the absence of conditioning.
自由是条件限制的消失。
We lamented his absence.
我们对他的缺席深感遗憾。
Her absence is due to illness.
她因病缺席。