名词

1. There were beads of perspiration on his upper lip.
他的上唇上有汗珠。

1. 汗；汗珠
Perspiration is the liquid which comes out on the surface of your skin when you are hot or frightened.

e.g. His hands were wet with perspiration.
他双手被汗水浸湿了。
e.g. ...night sweats and excessive perspiration.
夜间盗汗和出汗过多

noun

1. salty fluid secreted by sweat glands

e.g. sweat poured off his brow

Synonym: sweatsudor

2. the process of the sweat glands of the skin secreting a salty fluid

e.g. perspiration is a homeostatic process

Synonym: sweatingdiaphoresissudationhidrosis