Dynaform
同轴开关
🗣️ 情景例句
Why are you in such a good mood?
为什么你的心情那么好？
And straightforward communication will serve as a useful basic of successful business transactions.
以及坦率的沟通，这些将构成顺利生意交涉的有效基础。
it naturally limits all those engaged in carrying it out from effective contact
那些从事科研的人员自然受到了限制。他们不能进行有效的接触