L-glutaminic acid
[化] 左旋谷氨酸
🧩 词语组成解析
🗣️ 情景例句
It was very thoughtful of you to send flowers.
你送花来，想得真周到。
It is a poor heart that never rejoices.
不知世间有乐者最可怜。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。