Salacetol
水杨酸丙酮酯
🗣️ 情景例句
Your downstairs neighbor let me in.
楼下的邻居让我进来的。
He has not come in yet.
他还没有来。
By bicycle? From Beijing? That's a long trip.
骑自行车去？从北京出发？这可是长途旅行呀。