Astm gum test
[机] ASTM胶质测定法
🧩 词语组成解析
[化] 美国材料试验学会
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
almost every night this week, Dad.
几乎这个星期的每天晚上都如此， 爸爸。
He lives long that lives well.
活得好等于活得长。
A week before, he had completed a successful overland flight during which he covered twenty-six miles.
一周以前，他曾成功地进行了一次26英里的陆上飞行。