Simple machine
n. 简单机械
📖 牛津释义
simple machine
any simple instrument used as (part of) a machine, eg a wheel, lever, pulley 简单机械（如轮、 杠杆、 滑轮）.
🧩 词语组成解析
🗣️ 情景例句
All my bags are checked in. I guess I'm all set to go.
我的行李都检查完了，看来我可以走了。
Do you usually play piano during the holidays?
你通常在假日期间弹钢琴吗？
So when a German buys something from a Japanese, or an Indian sells something to a Frenchman, they may all use English.
因此，当德国人从日本人那儿买东西时，或印度人把东西卖给法国人时，他们可能都用英语进行交流。