Bcv
强制怠速时节气门开度控制阀（Boost Control Valve）\\n亮度对比值（Brightness Contrast Value）\\n球形止回阀（Ball Check Valve）
🗣️ 情景例句
If someone doesn't buy it before then,
如果在此之前没有人买走的话。
Step by step the ladder is ascended.
登梯需要逐级登。
She was a beauty in her day.
她年轻的时候是个美人儿。