Pentaerythrite
[化] 季戊四醇
🗣️ 情景例句
And the new drawings for the toy spaceship.
还有玩具太空船的新草图。
Morning, How are you?
早，你好吗？
it must be known to any kind of radio astronomer in the universe.
这个频率是宇宙中任何射电天文学家都应该熟悉的。