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'd better watch your step or you'll get into trouble again.
你最好留点儿神， 免得再惹麻烦。
Poison is poison though it comes in a golden cup.
纵然装入金杯，毒药还是毒药。
I checked our supply of that material you asked for.
我查过了库存中你要的那种材料。