Mesons
n. [高能] 介子；正中面\\nn. (Meson)人名；(西)梅松
🗣️ 情景例句
without cultural programs in our school.
我们的学校里没有文化活动。
How can I get in touch with you?
我要怎样联络你呢？
Fifteen minutes passed and then, at five to twelve, the clock stopped.
15分钟过去了，而就在11点55分时，大钟停了。