Billow cloud
波状云
🧩 词语组成解析
billow
['bɪlo]
n. 巨浪，如波涛滚滚而来之物;
vi. 在波涛中翻滚;扬起，鼓起;
cloud
[klaud]
n. 云;云状物;一团;阴影;
vi. 布满云;显得阴沉;看起来忧愁）;
vt. 使难以理解;使…朦胧不清;使减少乐趣;混淆;
🗣️ 情景例句
taking a vacation together--with the family.
要一起渡个假， 全家一起。
I said, Do you want me to help you?
我是说:你要我帮忙吗？"
In fact a basic amount of movement occurs during sleep which is specifically concerned with preventing muscle inactivity.
事实上，睡眠状态下仍有着基本的活动量，以防止肌肉活动停止。