Aerocasing
氰化钙液体氰化法, 钙盐氰化
🗣️ 情景例句
During your computer classes, did they teach you how to fix a cooling fan?
在你的电脑课程，他们是否教过你如何修理散热风扇？
Don't let him fool you.
别被他唬了。
He set out to discover whether the wagging dance showed direction.
他开始着手找出摇摆舞是否表示方向。