Double-action compressor
[机] 双动压缩机
🧩 词语组成解析
double
['dʌbl]
adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍，加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二，双+le反复 → 反复两倍 → 翻倍
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
compressor
[[kəm'presə]]
n. 压缩物, 压缩机, 压肌\\n[化] 压缩机
🗣️ 情景例句
How much notice of cancellation is necessary to get my deposit back?
想把定金拿回来，要提前多长时间通知你才行？
A fool attempting to be witty is an object of profoundest pity.
蠢人装聪明，实在最可怜。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。