Ethoxyline
环氧树脂
🗣️ 情景例句
Was it serious?
病得很重吗？
He has a dog.
他有一条狗。
It seemed certain that she would be the first ship home, but during the race she had a lot of bad luck.
看来，它首先返抵英国是确信无疑的了，但它却在比赛中连遭厄运。