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'd like to talk with you about something troublesome.
我想同你谈点麻烦事。
I don't mind staying up late.
我不在乎熬夜。
You are welcome.
不客气。