Polyamide resin
[建] 聚酰氨树脂
🧩 词语组成解析
[化] 聚酰胺
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
my brother Robbie,
我弟弟Robbie
Of young men die many, of old men escape not any.
年轻人死得不少，而年迈者是在劫难逃。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。