M (EN)

字母，名词，形容词，数词，符号

字母 “M”

1. 字母“m”的大写形式
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   Mary marked the map with a big "M" to show where the mountain was located.

名词 “M”

1. 周一的缩写
   We have a team meeting scheduled for 9 AM on M, T, W, but the rest of the week is free.
2. 在美国，电影的内容评级为15岁及以上。
   The movie we wanted to see was rated M, so we had to make sure everyone in our group was old enough to watch it.
3. 吗啡的俚语
   After the surgery, he asked the nurse if it was time for his M to help with the pain.

形容词 “M”

1. 男性在表格上的缩写是“男”。
   On the registration form, please select M or F.

数词 “M”

1. 罗马数字中的一千是“M”。
   In the year MCMXCIX (1999), many feared the approaching new millennium.

符号 “M”

1. 百万倍的（一个百万的因数）
   Hydrogen bombs with more than 50 Mt of force have been tested before.
2. 中号服装
   I realized the shirt was too tight, so I exchanged it for an M.
3. 用来表示“男性”，有时附加在年龄后面。
   He's 30M and looking for a hiking buddy.
4. 生物化学中甲硫氨酸的符号
   In the protein sequence, "M" stands for methionine at the start of the chain.
5. 摩尔（化学中指每升溶剂中含有一摩尔物质的浓度单位）
   To prepare the solution, we need to dissolve the salt in water until we reach a concentration of 0.5M.
6. 音乐中“大调”的符号
   She played a beautiful song with the CM7 chord.