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 am no exception to that rule.
对于这项通则我也不例外。
He who purposes to be an author, should first be a student.
想当作家，相当学生。
People are always talking about 'the problem of youth'.
人们总是在谈论“青年问题”。