Tetractinomorpha
四放海绵亚纲
🗣️ 情景例句
I'm exhausted. I had to work until 2 o'clock this morning.
我累死了。我一直得干到今天早上2:00。
He has a radio,doesn't he?
他有一台收音机，对不对？
He spent a miserable day in bed thinking of all the fun he was missing.
他在床上郁郁不乐地躺了一天，想着他错过的种种欢乐。