n. 机械工,机修工
网络 边际外部成本(marginal external cost); 有效浓度; 移动快速结帐(Mobile Express Checkout)
You are old friends but new members of our MEC.
你们是老朋友新会员。
Last Sunday, I went to the Mount Lao with MEC members.
上周日我同移动英语角的成员们去了崂山。
Thank you for your interesting and participation in MEC.
感谢你们感兴趣并参加青岛移动英语角。
In MEC, the first and second meanings fit the function here.
在MEC,以上第一和第二的意思比较合适MEC所要的功能。
They must have strong longings that lures them to attend MEC.
他们一定有很强烈的渴望促使他们参加英语角。