Polyglycine
多聚甘氨酸
🗣️ 情景例句
Easy does it, tom. don't get all worked up.
冷静点，汤姆，不要太激动。
One who can do everything can do nothing.
什么都能做，什么都不行。
They made no effort to hide their amusement whenever I produced a packet of sweets from my pocket.
每当我从口袋里掏出一包糖果时，他们都毫不掩饰地表现出他们对此感到非常好笑。