15秒记一个单词（第650个）channel
channel /'t??n(?)l/ n. 途径；渠道；系统:
击收听音频跟读 ↓↓↓ ↓↓↓ ↓↓↓
例句/词组:
Complaints must be made through the proper channels.
投诉必须通过正当途径进行。
英语解释：
a method or system that people use to get information, to communicate, or to send sth somewhere 途径；渠道；系统:
