Polyisobutene
聚异丁烯; 聚异丁烯
🗣️ 情景例句
Welcome to the South Street restaurant, folks.
欢迎光临南街餐馆， 各位。
The best mirror is an old friend.
老朋友是最好的镜子。
and slipping through we no longer take omens from their flight on this side and that; and even the most superstitious villagers no longer take off their hats to the magpie and wish it good-morning.
这些鸟对我们是有益的，虽然我们不再从它们的飞翔姿态来占卜吉凶，连最迷信的村民也不再对喜鹊脱帽行礼，祝它早安了。