Tcv
abbr. temperature-control valve 温度控制阀
🗣️ 情景例句
And very much in love.
而且相爱至深。
The first step to virtue is to abstain from vice.
避开作恶是走向美德的第一步。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）