Some are tethered to ships, whereas others are cast free to operate like miniature submarines, although these too need the services of a support vessel.
有一些与船只绑定,另一些则如同微型潜水艇一样自由航行,但也是需要有供给船只服务的。
Such a breakthrough, combined with enough cast-aside plant matter to sustain it, and possibly some of the plant's oil, would provide for a plastic completely free of fossil fuels.
如果真地实现了这一突破,再加上许多可以用来支持其存在的装置,也许还有一些燃料油,那么也许我们就能完全脱离化石燃料而制取塑料制品了。
For to be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.
拥有自由并不仅仅意味着摆脱自身的枷锁,而且还意味着以一种尊重和提升他人自由的方式生活。
应用推荐