在中央附近可以看到单独的一颗大质量恒星，这也造就了三裂星云部分光芒。
A single massive star visible near the center causes much of the Trifid's glow.
那大城裂为三段，列国的城也都倒塌了。
The great city split into three parts, and the cities of the nations collapsed.
钢轨轨底缺陷有三种：底伤、结疤和底裂缺陷。
Steel rail has 3 rail base defects: bottom defect, scab and bottom crack.
钢轨轨底缺陷有三种：底伤、结疤和底裂缺陷。
Steel rail has 3 rail base defects: bottom defect, scab and bottom crack.
应用推荐