Picolinic acid
[建] 啶甲酸-[2]
🧩 词语组成解析
🗣️ 情景例句
do you need any help?
需要帮忙吗？
We use service centers at major stores. They ship goods back to our national service center for repairs.
我们采用大店服务中心，他们可把产品运送到我们的国内服务中心维修。
Against these figures, it was found that only 5% of women snore regularly,
与这些数字相比，只有5% 的女性经常打鼾；