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
You're writing a book?
你在写一本书吗?
Did you sell it to him yourself?
你自己亲自卖给他吗？
How do you do? I'm sorry. I know only a little English.
你好！很遗憾，我只懂一点英语。