Lazuli
n. (=lapis lazuli)天青石, 青金石
🗣️ 情景例句
I'm not doing anything.
我没有要做什么。
You cannot make a crab walk straight.
江山易改，本性难移。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。