Cherts
(chert 的复数) n. 燧石\\n[化] 燧石
🗣️ 情景例句
That's not it.
不是这种事。
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
You're never too old to enjoy a Christmas stocking.
“你永远不会老到不能享受圣诞袜的乐趣，”