Tetrane
[化] 丁烷
🗣️ 情景例句
More than 50% of marriages are doomed to fall.
50%的婚姻都注定以失败告终。
Truth hath a good face, but ill clothes.
真理相貌好，但衣衫褴褛。
The comparable speed from the Moon is only 1.5 miles per second.
而从月球出发的相应速度只是每秒1。5英里。