Three electrode tube
[电] 三极管
🧩 词语组成解析
three
[θri]
num. 三;三个;第三（章，页等）;
n. 三岁;三个人[东西];三，三个;
adj. 三的;三个的;
🗣️ 情景例句
I received a letter from my parents this morning.
今天早上我收到父母一封信。
Her children are a disappointment to her.
她的孩子让她感到失望。
Hello! Did you enjoy yourselves at the party ?
你好！你们在晚会上玩得愉快吗？