Unleaded petrol
[化] 无铅汽油
🧩 词语组成解析
a. 无铅的；不包铅的；[印]不插铅条的
petrol
['pɛtrəl]
n. 汽油;
🗣️ 情景例句
Bye, Mom.
再见， 妈妈。
That's a selfish point of view.
那是个自私的观点。
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land.
100年前，我们只知道海洋是二维平面形的，以及靠近陆地浅水区的深浅不一能给航行带来危险。