Trichodermin
木霉素
🗣️ 情景例句
They've stood by me through all this.
他们一直支持我做这件事。
I'm two years younger than my sister.
我比我姐小两岁。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。