Tetraether
四醚
🗣️ 情景例句
Thanks, Dad.
谢谢， 爸爸。
Tomorrow, Sandra will carry out the garbage.
明天珊多拉将会收拾垃圾的。
A man was walking through a wood and he came across a woodcutter.
一个人正步行穿过一片树林，他遇见一个伐木工人。