Vane attenuator
[电] 叶片衰减器
🧩 词语组成解析
n. 风向标, 风信旗, 变化不定的事物\\n[机] 轮叶, 叶
n. 衰减器\\n[化] 衰减器; 弱化子
🗣️ 情景例句
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
A lazy youth, a lousy age.
少壮不努力，老大徒伤悲。
It's a pleasure to meet you. Can I take those boxes for you?
很高兴认识您。我能帮您拿那些箱子吗？