Keelblock
n. 龙骨墩
🗣️ 情景例句
Will you honor a credit card?
你们承认信用卡吗？
Buyers always pay great attention to packing.
买方通常很注意包装。
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。