Reciprocating action
[机] 往复动作
🧩 词语组成解析
[医] 交互的, 往复的
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
🗣️ 情景例句
When addressing a judge, always use 'your honor'.
在对法官说话时， 一定要尊称他为 'your honor'
Speaking of trips,did I ever tell you about the experience I had?
谈论旅行,我曾经把我的经验告诉你了吗？
The albatross is the king of the gliders, the class of fliers which harness the air to their purpose, but must yield to its opposition.
信天翁是滑翔飞行的鸟类之王，它能自如地驾驭空气，但必须顺气流飞行。