Lactucin
莴苣苦素
🗣️ 情景例句
She'll be fine.
她没有问题。
He will always be a slave who knows not how to earn and save.
不懂挣钱和积财，只能永远当奴才。
for it produces a resentful animal who at a later stage may well turn man-killer.
因为这种方法训练会使动物反感，在以后某个时期可能会变成伤人的动物。