Band-pass amplifier
[电] 带通放大器
🧩 词语组成解析
band
[bænd]
n. 带;乐队;衣带;价值;
vt. 给…镶边;用带绑扎;（将价格、收入等）划分档次;把…联合起来;
vt.& vi. 结合起来，伙同;
vi. 聚集，联合（起来）（通常与together 连用）;
band(to bind)→皮带；带子；条纹；乐队
🗣️ 情景例句
He likes that.
他喜欢那样。
Does the shop open at 9 am on weekdays?
这家店平日是早上9点开门吗？
Ships may be delayed by storms; flights may be cancelled because of bad weather, but trains must be on time.
轮船船期可能因风暴而推延，飞机航班可能因恶劣天气而取消，唯有火车必然是准点的。