Microcrystals
(microcrystal 的复数) n.微晶(体)
🗣️ 情景例句
But I have a doctor's appointment in the afternoon.
但我后天下午跟医生约好了。
If two men ride on a horse, one must ride behind.
两人同骑一马，必有一人在后。
Ok! Thanks.
谢谢！