Acetone trichloride
[化] 三氯代丙酮
🧩 词语组成解析
n. 丙酮\\n[化] 丙酮
n. [化]三氯化物
🗣️ 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。
Mac always has to run to catch his train.
麦克常常为了赶乘火车而奔跑。
He's been there for over two years. He's been there since two years ago.
他到校有两年多时间了。他两年前就到那儿学习了。