Heterogeneities
异种\\n多种多样\\n[物] 非均匀性\\n[化学] 不均一性（heterogeneity的名词复数）
🗣️ 情景例句
So, what were you two talking about?
你们俩刚才谈什么了？
I played ping-pong this morning.
我今早在打乒乓球。
OK. Please sit down over there.
好，请坐吧！