Tefzel
乙烯-四氟乙烯共聚物
🗣️ 情景例句
It's a good investment.
这是一项好投资。
Harmony in the department seems to emerge as a result of mutual trust and respect between myself and my staff.
部门和谐的形成有赖于我和我的员工之间彼此信任和尊重。
of a change of atmosphere, of a diversion of effort, is essential.
改变一下气氛，转移一下注意力，这是不可缺少的。