Polyamine-methylene resin
[化] 聚亚甲胺树脂\\n[医] 聚胺甲烯树脂
🧩 词语组成解析
n. [化]聚胺,多胺
n. 亚甲基\\n[化] 亚甲基
resin
['rezin]
n. 树脂;合成树脂;松香;
vt. 用树脂处理;涂擦树脂于;
🗣️ 情景例句
Did you sleep soundly last night.
你昨晚睡得好吗？
I know the boy whose father is an attorney.
我知道那个男孩的父亲是律师。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!
因此，从月球到地球的25万英里所消耗的能量要比从地球表面进入地球轨道的200英里所耗能量少97%。