Carrier density
[电] 载体密度
🧩 词语组成解析
carrier
['kærɪɚ]
n. 搬运人;运输公司;搬运器;[医学]带菌者;
carr搬运 + ier 表示人专做某种工作的人） → n.航空母舰, 运输工具, 行李架, 带菌者, 运送者, 客运公司, 电信公司
🗣️ 情景例句
Rome wasn't built in a day.
冰冻三尺，非一日之寒。
Patience is the plaster of all sores.
忍耐是一切痛苦的止痛膏。
Sam Benton, the local butcher, had lost his wallet while taking his savings to the post office.
本顿在把存款送往邮局的途中把钱包丢了。