Monotypic
单型的
🗣️ 情景例句
At least we are not the only ones facing these problems.
至少不光是我们面临这样的问题。
An old dog cannot alter its way of barking.
老狗难改吠声。
'Where have you been hiding?' she asked impatiently.
“你躲到哪儿去了？”她不耐烦地问，