Lecithid
蛇毒溶血卵磷脂
🗣️ 情景例句
I would like to mail this package.
我想把这包裹给寄了。
I'm going by air.I like flying.
我将坐飞机去，我喜欢飞行。
We have our evening meal at about a quarter past six.
我们6：15分左右吃晚饭。