Dichotamine
二歧(河谷木)碱
🗣️ 情景例句
Can you tell me where the campus library is located?
能告诉我校图书馆在哪儿吗？
The target shooting requires the power of concentration.
射击需要集中精神。
Bring the picnic basket up here, under this big tree, said Ann.
“把野餐篮子拿到这儿来，放在这棵大树下，”安说。