Levotartaric acid
[医] 左旋酒石酸
🧩 词语组成解析
🗣️ 情景例句
Are you sending it by regular or by speed?
你要寄平信还是快递？
Kill the goose that lays the golden eggs.
杀鸡取金蛋；只图眼前需要，断绝将来财源。
How many spiders are engaged in this work no our behalf?
有多少蜘蛛在为我们效力呢？