Mmpa
abbr. Marine Mammal Protection Act 海洋哺乳动物保护法; mercaptomethylphosphonic acid 巯基甲基膦酸
🗣️ 情景例句
That sounds really attractive.
听起来很有吸引力。
This airline has a good safety record.
这家航空公司有很好的飞行安全记录。
he stooped to talk to a workman.After they had gone on,
途中，停下来与一个工人交谈，接着他们继续往前走去。