Perthosite
[地质]淡钠二长岩
🗣️ 情景例句
My friend's a chain smoker.
我的朋友烟瘾很重。
The feature started at 9 o'clock and ended at 11:30.
放映在9点钟开始了并且将在11:30结束了。
and even so, some starting data has to guessed,
既使是这样，有些开始时的资料也不得不依靠推测，