Ectadenia
外胚附腺
🗣️ 情景例句
But Dad is always so busy.
但是爸爸总是那么忙。
Which one is more expensive?
哪一个是比较贵的？
The man had connected the air-line to a supply line of oxygen, not compressed air.
这个工人把供气管接到了氧气供应管上，而不是接到压缩空气管上。