Ammoniac gum
[化] 氨草胶
🧩 词语组成解析
a. 氨的, 含氨的\\nn. 氨草胶
gum
[ɡʌm]
n. 口香糖;树胶;黏胶;牙龈;
vt.& vi. 胶合;涂以树胶;使…有粘性;
🗣️ 情景例句
Go for it.
去试试吧。
I don't know what time it is.
我不知道现在几点钟。
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。