Dammar gum
[医] 达玛树脂, 达玛胶
🧩 词语组成解析
n. [化]达马(树)脂(为漆的原料)
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
If you're under twenty-one years of age ...
如果你还不到二十一岁……
He gave a lecture on agriculture.
他作了一个关于农业的讲座。
Were there any telephone messages for me while I was away?
我外出期间有我的电话吗？