Once-through
直流，直通
🧩 词语组成解析
through
[θru]
prep. 通过，穿过;经由;透过;凭借;
adv. 从头到尾;彻底;自始至终;
adj. （电话）接通;通话完毕;有洞的;直达的;
🗣️ 情景例句
I want to buy a sleeper ticket to New York.
我想买张到纽约的卧铺票。
They are never alone accompanied by noble thoughts.
思想高尚者决不会孤单。
Well, which would you prefer?
那么，你觉得那个时间更好些呢？