Ferrofluid
铁磁流体
🗣️ 情景例句
I promise I won't leave early.
我发誓我再也不会早走了。
Without hope, the heart would break.
如无希望，心就破碎。
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。