Pipecolinic acid
[化] 2-哌啶酸
🧩 词语组成解析
🗣️ 情景例句
If this doesn't make you happy, nothing will.
如果这个事情都不能使你高兴趣来的话，就没有其他的办法了。
The voice is not distinct.
声音不清楚。
The big clock which used to strike the hours day and night was damaged many years ago and has been silent ever since.
教堂的钟很大，以前不分昼夜打点报时，但很多年前遭到毁坏，从此便无声无息了。