Vsl
abbr. variable safety level 可变的安全级别; vessel 船，船舶
🗣️ 情景例句
I continued to teach piano lessons at home.
我继续在家教钢琴。
Love begets love.
爱爱相生。
and since most medical men in the Health Services are overworked and have little time for offering time-consuming and little-appreciated advice on such subjects as diet,
因为卫生部门的大多数医生都超负荷工作，所以没有多少时间提出一些既费时而又不受人欢迎的忠告，如注意饮食、