Microcavities
微腔（microcavity的复数）
🗣️ 情景例句
I've put an X next to the place where you should sign.
我已在你该签名的地方后面标示了X。
Seeing is believing.
百闻不如一见。
What about some sugar?Two teaspoonfuls?
加些糖怎么样？两茶匙行吗？