Pentine
[化] 戊炔
🗣️ 情景例句
Don't forget Susan.
别忘了Susan。
It is one thing to speak much and another to speak pertinently.
话讲得多是一回事，讲得恰当是另一回事。
If, however, you were holding an open air garden party or a fete it would be equally possible to insure yourself in the event of bad weather.
如果你要举办一次露天游园会或盛宴，为避免碰上不好的天气而遭受损失也同样可以保险，