Tone system
un. 显影系统；显影方式\\n
🧩 词语组成解析
tone
[təun]
n. [语]声调，语调;[画]色调，色泽，明暗;[乐]乐音，全音，全音程;[医]（正常的）健康状态;
vt. 使更健壮;定调;使变调子;[摄影术]给…上色;
vi. 带有某种腔调;呈现某种色彩;（颜色）调和（与 with 连用）;
🗣️ 情景例句
Well, what's going on?
噢， 怎么啦？
Bitter pills may have wholesome effect.
良药苦口利于病。
Put them away, please. You must look after your things.
把他们放好。你得能看好自己的东西。