Plakalbumin
片清蛋白
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
When I get sleepy,I'll probably get ready for bed.
当我磕睡时，我将上床。
Half an hour? That's too long! Is there a bus?
半小时？那太久了！有公共汽车吗？