Radioselection
辐射选种
🗣️ 情景例句
The robber struck him on the head.
强盗打他的头。
Mr. Smith is still in his fifties.
史密斯先生仍然50几岁。
That's a big box. Is it heavy? Please let me help you.
这是个大盒子。重吗？让我来帮你。