troposphere
/'trɒpәsfiә/
BNC词频: #47,912
当代词频: #33,950
中文释义
n. 对流层
[医] 对流层
英文释义
n. the lowest atmospheric layer; from 4 to 11 miles high (depending on latitude)
n. 对流层
[医] 对流层
n. the lowest atmospheric layer; from 4 to 11 miles high (depending on latitude)