中文：

放量长阳是指股票在成交量大幅增加的情况下，股价出现较大涨幅的阳线。这种走势通常表明市场主力资金积极介入，是股价上涨的信号。

在放量长阳出现之前，股票的成交量会逐渐增加，表明有主力资金在积极买入。而长阳线的出现则表明这些资金不仅在买入，还在积极拉升股价。这种走势通常意味着主力资金对后市的乐观预期，认为股价还有上涨空间。

放量长阳的出现通常会伴随着成交量的放大和股价的上涨，这是一种强烈的趋势信号。如果这种走势出现在底部区域，则表明主力资金正在积极建仓，是股价上涨的开始。如果这种走势出现在上涨过程中，则表明主力资金正在积极拉升股价，是上涨趋势的延续。

对于投资者来说，放量长阳的出现是一种积极的信号。如果这种走势出现在自己关注的股票中，可以积极介入，等待股价上涨。但是需要注意的是，放量长阳并不一定代表股价一定会上涨，还需要结合其他技术指标和市场情况进行分析和判断。

英文：

A放量长阳 refers to a situation where a stock's volume increases significantly and the stock price experiences a large gain in a single day. This type of market movement usually indicates that major market players are actively involved, making it a positive signal for the stock's price to rise.

Prior to the emergence of a volume-boosted long sun, the stock's trading volume will gradually increase, indicating that major players are actively buying. The appearance of a long sun, in turn, shows that these funds are not only buying but also actively lifting the stock price. This kind of market movement usually means that major players are optimistic about the market's future direction and believe that the stock price still has room to rise.

The emergence of a volume-boosted long sun is usually accompanied by an increase in trading volume and a rise in stock prices, which is a strong trend signal. If this kind of market movement appears in the bottom area, it indicates that major players are actively building positions, making it the beginning of the stock price rising. If this kind of market movement appears during the rising process, it indicates that major players are actively lifting the stock price, continuing the upward trend.

For investors, the emergence of a volume-boosted long sun is a positive signal. If this kind of market movement appears in stocks that they are watching, they can actively participate and wait for the stock price to rise. However, it should be noted that a volume-boosted long sun does not necessarily mean that the stock price will rise indefinitely. It also needs to be analyzed and judged in combination with other technical indicators and market situations.