Mlb
abbr. 金属链带（Metallic Link Belt）；航海劳工局（Maritime Labor Board）；美国职棒大联盟（Major League Baseball）
🗣️ 情景例句
You hold on to them so there won't be a problem later.
你来保管， 免得等一下又出问题了。
I'd like to change this ticket to the first class.
我想把这张票换成头等车。
You've made a good choice.
你的眼力不错。