Hydraulic packing
[化] 水封
🧩 词语组成解析
hydraulic
[haɪ'drɔlɪk]
adj. 水力的，水压的;用水发动的;[建]水硬的;水力学的;
packing
['pækiŋ]
n. 包装，打包;包装材料;（缝隙）填料;
v. 压紧(pack的ing形式);装满;
🗣️ 情景例句
I agree.
我同意。
She is skilled at using computer.
她能熟练使用计算机。
I've been working so hard recently that I haven't had any time for collecting new stamps.
最近我的学习一直很紧张，没有时间收集新邮票。