Microthrombus
微血栓
🗣️ 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一种乐趣，除非一天其中一根火柴不幸燃烧起来。
It is good to learn at another man's cost.
前车之覆，后车之鉴。
Can you see Gum Tree? It's only a small village.
你能找到它吗？它只是个小村庄。