Lecithid
蛇毒溶血卵磷脂
🗣️ 情景例句
the first settlers in America.
他们是第一批来美国定居的移民。
To knit a scarf for her sweetheart
替她的情人织围巾
the plentiful supply of food thrown overboard by the crews on the rigs;
钻井平台工作人员抛到海里充足的食物；