Once through boiler
[机] 单程流通式锅炉, 贯通锅炉
🧩 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
What do you want to study?
你想学什么？
Whom do you want to talk to?
你要和谁讲话？
He doesn't like writing letters, but he likes receiving them.
他不爱写信，但他却喜欢收到信。