🗣️ 情景例句
I think aerobics is easy.
我觉得有氧运动很容易。
Fifty-litre carboy would be the most economical size. Carboys may be retained without charge for two months.
50升的瓶子应是最经济的尺码，这些瓶子可免费保存两个月。
Excuse me!
打扰一下。