Cma train
[机] 凸轮机构
🧩 词语组成解析
abbr. 军事委员会（Committee of Military Affairs）；特许医学助理医师（Certified Medical Assistant）；中华医学会（China Medical Association）；基督教传教联盟（Christian and Missionary Alliance）
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
Rats leave (or desert or forsake) a sinking ship.
船沈鼠先窜。
ammunition and 400 people went sliding and crashing down to the port side of the steeply listing ship.
弹药和400个人轰地一声滑向陡斜的左舷时，