Enteramine
血清素, 5-羟色胺
🗣️ 情景例句
Try this. It's size eight.
试试这一件。尺码是八号。
The morning to the mountain the evening to the fountain.
凡是都有一定时间。
Any ship that crosses the Pacific is accompanied for many days by the smaller albatross,
任何一艘横度太平洋的轮船都会有一种小信天翁伴随飞行许多天。