Monotactic
构形的单中心规整性
🗣️ 情景例句
OK. You go out and get a drink of water at the fountain.
好。你出去在饮水机那儿喝点水吧。
Never be weary of well doing.
行善莫厌烦。
an illness which at twelve would knock us over,
使我们在12岁时病倒的疾病，