Dihydrocollidine
[医] 二氢三甲吡啶, 二氢可力丁
🗣️ 情景例句
Good-bye.
再见。
Is there any earlier one?
还有更早一点的吗？
and a very firm hand must be employed in the early stages.
因此开始阶段需要有一位强有力的老手。