Polyglycine
多聚甘氨酸
🗣️ 情景例句
The weather's been very hot lately.
最近天气总是很热。
There's no sense in going by boat when the plane is just as cheap and much quicker.
既然乘飞机和坐船一样便宜而且还快得多，那么就没有理由去坐船。
From all such fears camping releases him.
露营使人们免除了这些忧虑。