M. u.
[医] 马谢氏单位(镭射气浓度单位)
🧩 词语组成解析
[医] 单位
🗣️ 情景例句
I can't wait to take a bite of the pumpernickel.
我简直迫不及待想吃一口黑面包。
Almost everyone is aware of environmental problems in America.
在美国，几乎人人都注意到环境问题。
Earlier, we were infants and young children, and consequently more vulnerable;
再早一些，我们是幼儿和小孩子，身体较脆弱；