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
The interview and conversation between us in Beijing are quite useful and inspiring.
我们在北京的会面和谈话是十分有益和令人鼓舞的。
Life is half spent before we know what it is.
等到认识人生，已经一半过去了。
I don't know. Let's go for a walk.
我不知道。咱们去散散步吧。