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
You made a favorable impression on the examiners.
你给主考留下了很好的印象。
I'm ill today.
今天我生病了。
Lin Tao ran past him. He was first past the finishing line.
林涛超过了他。他第一个冲线。