Protocrocin
原藏花素
🗣️ 情景例句
He's very nice.
他很不错。
Kept waving to her mother until the train was out of sight.
不断地冲她的母亲挥手，直到火车驶出了视线。
OK. And we'd better ask Mom whether it's cheap enough!
好的。我们最好是问问妈妈价钱是否便宜！