Thetatron
n. [核]θ收缩,角向收缩
🗣️ 情景例句
My stomach growls at me when I'm hungry.
我的肚子在咕噜咕噜地向我发牢骚呢！
Yesterday will not be called again.
光阴一去不复返。
His talk covered many subjects.
他的报告涉及很多课题。