Thrombotonin
5-羟色胺
🗣️ 情景例句
He's planning a get-together
他计划办一个聚会
Her rudeness went too far.
她太粗鲁了。
Looking round, I realized with a shock that I was the only passenger left on the bus.
我环视了一下身旁，惊奇地发现车里就只剩我一个乘客了。