Bettl reaction
[机] 贝蒂反应
🧩 词语组成解析
🗣️ 情景例句
Just a moment, please.
请稍侯。
You're way behind schedule.
你比预定的落后了。
George showed me to the guestroom which, he said, was rarely used.
乔治把我领进客房，说这间很少使用。