Beach towel:海滩浴巾

Sunbathe:日光浴

Sun-lounger:沙滩椅

Sleep in: to sleep until after the time you usually get up in the morning 迟起;睡过头;睡懒觉

Laze around:闲逛打发时间

Chip in: 捐助,出钱
Let's all chip in for a birthday present for Mary.
我们大家出钱买生日礼物送给玛丽.
The company chipped in with a million yuan contribution.
这家公司捐助一百万元.