Methylmesylate
甲磺酸甲酯
🗣️ 情景例句
Do you celebrate Christmas in China?
中国人庆祝圣诞节吗？
The sight of the food made my mouth water.
看见食物，我就垂涎欲滴。
She's been there for two months. She's been there since September.
她进校有两个月了。她自9月份起便在那儿学习了。