Secalintoxin
黑麦碱毒素
🗣️ 情景例句
How many brothers and sistes do you have?
你有多少个兄弟姐妹？
The exception proves the rule.
例外能反证规律。
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是，如果要取得真正重大的进展，需要有比这种装置精细得多的仪器。