Tetraether
四醚
🗣️ 情景例句
He cheated on his wife.
他对他妻子不忠。
Thank you for a very enjoyable evening.
谢谢你，今晚过得真愉快。
He asked very politely, Excuse me, have you got any books about the moon and the stars?
“请问，你有关于月亮和星星的书吗？”