Ester gum
[化] 甘油松香酯; 酯胶
🧩 词语组成解析
n. 酯\\n[化] 酯
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
The boxes of presents.
那些礼物盒。
Be swift to hear, slow to speak.
多听少说。
As the play draws to its close, they wonder whether they will ever catch that last train home.
当戏快演完时，他们又为是否能赶上末班火车回家而犯愁。