单词convect
v.: 对流传热;使(热空气)对流循环;借对流传(热)网络: 对流影视现划;使对流;借对流传热
对流传热
使(热空气)对流循环;借对流传(热)
And when it is hot enough, it will convect and rise really high.
当温度高到一定程度,就会产生热对流,火山灰会喷得很高。