Aithioic acid
[机] 二硫羧酸
🧩 词语组成解析
🗣️ 情景例句
The traffic. The parking. I was lost.
交通拥挤 又找不到停车的地方。我又迷路了。
That goes without saying.
不用你说我也知道。
who produced it with a flourish and pointed out a microscopic 'o' beside the time of the arrival of the train at his station;
站长拿着时刻表一挥手，指着那趟列车到站时刻旁边一个很小的圆圈标记。