大气
Half million of ton sulfur dioxide spilt into the atomsphere every year.
每年超过半吨的二氧化硫泄入到大气中。
differentiation n. 区别;分化;变异
diping v. 下沉(dip的现在分词形式);涉猎;蘸
perspective view 透视图;透视视野;透视
my best friend 我最好的朋友;我死党
cryptographically adv. 密码地;暗号地
be irrelevant to 与...无关
government man
product features 产品特性;产品特点;产品特征
digital input 数字输入
conceptualization n. 概念化;化为概念